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Common Core: High School - Algebra : Polynomial Identities and Numerical Relationships: CCSS.Math.Content.HSA-APR.C.4

Study concepts, example questions & explanations for Common Core: High School - Algebra

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All Common Core: High School - Algebra Resources

8 Diagnostic Tests 97 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #341 : High School: Algebra

Use FOIL for the following expression.

$\left(a + 2 b\right)^{2}$

Possible Answers:

$a^{2}$

$a^{2} + 4 a b + 4 b^{2}$

$2 a b + 4 b^{2}$

$b^{2}$

$a^{2} + 4 a b$

Correct answer:

$a^{2} + 4 a b + 4 b^{2}$

Explanation:

The first step is to rewrite the problem as follows.

$\left(a + 2 b\right)^{2}= \left(a + 2*b\right) \cdot \left(a + 2*b\right)$

Now we multiply the first parts of the first and second expression together.

$a\cdota=a^{2}$

Now we multiply the first term of the first expression with the second term of the second expression.

$a\cdot2 b=2 a b$

Now we multiply the second term of the first expression with the first term of the second expression.

$a\cdot2 b=2 a b$

Now we multiply the last terms of each expression together.

$2 b\cdot2 b=4 b^{2}$

Now we add all these results together, and we get.

$a^{2} + 4 a b + 4 b^{2}$

Report an Error

Example Question #271 : Arithmetic With Polynomials & Rational Expressions

Use FOIL for the following expression.

$\left(a + 17 b\right)^{2}$

Possible Answers:

$a^{2} + 34 a b$

$b^{2}$

$a^{2} + 34 a b + 289 b^{2}$

$17 a b + 289 b^{2}$

$a^{2}$

Correct answer:

$a^{2} + 34 a b + 289 b^{2}$

Explanation:

The first step is to rewrite the problem as follows.

$\left(a + 17 b\right)^{2}= \left(a + 17*b\right) \cdot \left(a + 17*b\right)$

Now we multiply the first parts of the first and second expression together.

$a\cdota=a^{2}$

Now we multiply the first term of the first expression with the second term of the second expression.

$a\cdot17 b=17 a b$

Now we multiply the second term of the first expression with the first term of the second expression.

$a\cdot17 b=17 a b$

Now we multiply the last terms of each expression together.

$17 b\cdot17 b=289 b^{2}$

Now we add all these results together, and we get.

$a^{2} + 34 a b + 289 b^{2}$

Report an Error

Example Question #272 : Arithmetic With Polynomials & Rational Expressions

Use FOIL for the following expression.

$\left(a + 12 b\right)^{2}$

Possible Answers:

$a^{2} + 24 a b$

$a^{2} + 24 a b + 144 b^{2}$

$a^{2}$

$12 a b + 144 b^{2}$

$b^{2}$

Correct answer:

$a^{2} + 24 a b + 144 b^{2}$

Explanation:

The first step is to rewrite the problem as follows.

$\left(a + 12 b\right)^{2}= \left(a + 12*b\right) \cdot \left(a + 12*b\right)$

Now we multiply the first parts of the first and second expression together.

$a\cdota=a^{2}$

Now we multiply the first term of the first expression with the second term of the second expression.

$a\cdot12 b=12 a b$

Now we multiply the second term of the first expression with the first term of the second expression.

$a\cdot12 b=12 a b$

Now we multiply the last terms of each expression together.

$12 b\cdot12 b=144 b^{2}$

Now we add all these results together, and we get.

$a^{2} + 24 a b + 144 b^{2}$

Report an Error

Example Question #273 : Arithmetic With Polynomials & Rational Expressions

Use FOIL for the following expression.

$\left(a + 11 b\right)^{2}$

Possible Answers:

$11 a b + 121 b^{2}$

$a^{2} + 22 a b + 121 b^{2}$

$a^{2}$

$b^{2}$

$a^{2} + 22 a b$

Correct answer:

$a^{2} + 22 a b + 121 b^{2}$

Explanation:

The first step is to rewrite the problem as follows.

$\left(a + 11 b\right)^{2}= \left(a + 11*b\right) \cdot \left(a + 11*b\right)$

Now we multiply the first parts of the first and second expression together.

$a\cdota=a^{2}$

Now we multiply the first term of the first expression with the second term of the second expression.

$a\cdot11 b=11 a b$

Now we multiply the second term of the first expression with the first term of the second expression.

$a\cdot11 b=11 a b$

Now we multiply the last terms of each expression together.

$11 b\cdot11 b=121 b^{2}$

Now we add all these results together, and we get.

$a^{2} + 22 a b + 121 b^{2}$

Report an Error

Example Question #274 : Arithmetic With Polynomials & Rational Expressions

Use FOIL for the following expression.

$\left(a + 19 b\right)^{2}$

Possible Answers:

$a^{2} + 38 a b + 361 b^{2}$

$a^{2}$

$a^{2} + 38 a b$

$19 a b + 361 b^{2}$

$b^{2}$

Correct answer:

$a^{2} + 38 a b + 361 b^{2}$

Explanation:

The first step is to rewrite the problem as follows.

$\left(a + 19 b\right)^{2}= \left(a + 19*b\right) \cdot \left(a + 19*b\right)$

Now we multiply the first parts of the first and second expression together.

$a\cdota=a^{2}$

Now we multiply the first term of the first expression with the second term of the second expression.

$a\cdot19 b=19 a b$

Now we multiply the second term of the first expression with the first term of the second expression.

$a\cdot19 b=19 a b$

Now we multiply the last terms of each expression together.

$19 b\cdot19 b=361 b^{2}$

Now we add all these results together, and we get.

$a^{2} + 38 a b + 361 b^{2}$

Report an Error

Example Question #275 : Arithmetic With Polynomials & Rational Expressions

Use FOIL for the following expression.

$\left(a + 6 b\right)^{2}$

Possible Answers:

$a^{2} + 12 a b$

$a^{2}$

$a^{2} + 12 a b + 36 b^{2}$

$b^{2}$

$6 a b + 36 b^{2}$

Correct answer:

$a^{2} + 12 a b + 36 b^{2}$

Explanation:

The first step is to rewrite the problem as follows.

$\left(a + 6 b\right)^{2}= \left(a + 6*b\right) \cdot \left(a + 6*b\right)$

Now we multiply the first parts of the first and second expression together.

$a\cdota=a^{2}$

Now we multiply the first term of the first expression with the second term of the second expression.

$a\cdot6 b=6 a b$

Now we multiply the second term of the first expression with the first term of the second expression.

$a\cdot6 b=6 a b$

Now we multiply the last terms of each expression together.

$6 b\cdot6 b=36 b^{2}$

Now we add all these results together, and we get.

$a^{2} + 12 a b + 36 b^{2}$

Report an Error

Example Question #276 : Arithmetic With Polynomials & Rational Expressions

Use FOIL for the following expression.

$\left(a + 10 b\right)^{2}$

Possible Answers:

$a^{2} + 20 a b + 100 b^{2}$

$a^{2} + 20 a b$

$a^{2}$

$b^{2}$

$10 a b + 100 b^{2}$

Correct answer:

$a^{2} + 20 a b + 100 b^{2}$

Explanation:

The first step is to rewrite the problem as follows.

$\left(a + 10 b\right)^{2}= \left(a + 10*b\right) \cdot \left(a + 10*b\right)$

Now we multiply the first parts of the first and second expression together.

$a\cdota=a^{2}$

Now we multiply the first term of the first expression with the second term of the second expression.

$a\cdot10 b=10 a b$

Now we multiply the second term of the first expression with the first term of the second expression.

$a\cdot10 b=10 a b$

Now we multiply the last terms of each expression together.

$10 b\cdot10 b=100 b^{2}$

Now we add all these results together, and we get.

$a^{2} + 20 a b + 100 b^{2}$

Report an Error

Example Question #277 : Arithmetic With Polynomials & Rational Expressions

Use FOIL for the following expression.

$\left(a + 15 b\right)^{2}$

Possible Answers:

$b^{2}$

$a^{2}$

$a^{2} + 30 a b$

$15 a b + 225 b^{2}$

$a^{2} + 30 a b + 225 b^{2}$

Correct answer:

$a^{2} + 30 a b + 225 b^{2}$

Explanation:

The first step is to rewrite the problem as follows.

$\left(a + 15 b\right)^{2}= \left(a + 15*b\right) \cdot \left(a + 15*b\right)$

Now we multiply the first parts of the first and second expression together.

$a\cdota=a^{2}$

Now we multiply the first term of the first expression with the second term of the second expression.

$a\cdot15 b=15 a b$

Now we multiply the second term of the first expression with the first term of the second expression.

$a\cdot15 b=15 a b$

Now we multiply the last terms of each expression together.

$15 b\cdot15 b=225 b^{2}$

Now we add all these results together, and we get.

$a^{2} + 30 a b + 225 b^{2}$

Report an Error

Example Question #278 : Arithmetic With Polynomials & Rational Expressions

Use FOIL for the following expression.

$\left(a + 15 b\right)^{2}$

Possible Answers:

$a^{2} + 30 a b$

$b^{2}$

$15 a b + 225 b^{2}$

$a^{2}$

$a^{2} + 30 a b + 225 b^{2}$

Correct answer:

$a^{2} + 30 a b + 225 b^{2}$

Explanation:

The first step is to rewrite the problem as follows.

$\left(a + 15 b\right)^{2}= \left(a + 15*b\right) \cdot \left(a + 15*b\right)$

Now we multiply the first parts of the first and second expression together.

$a\cdota=a^{2}$

Now we multiply the first term of the first expression with the second term of the second expression.

$a\cdot15 b=15 a b$

Now we multiply the second term of the first expression with the first term of the second expression.

$a\cdot15 b=15 a b$

Now we multiply the last terms of each expression together.

$15 b\cdot15 b=225 b^{2}$

Now we add all these results together, and we get.

$a^{2} + 30 a b + 225 b^{2}$

Report an Error

Example Question #279 : Arithmetic With Polynomials & Rational Expressions

Use FOIL for the following expression.

$\left(a + 16 b\right)^{2}$

Possible Answers:

$a^{2} + 32 a b + 256 b^{2}$

$a^{2} + 32 a b$

$b^{2}$

$16 a b + 256 b^{2}$

$a^{2}$

Correct answer:

$a^{2} + 32 a b + 256 b^{2}$

Explanation:

The first step is to rewrite the problem as follows.

$\left(a + 16 b\right)^{2}= \left(a + 16*b\right) \cdot \left(a + 16*b\right)$

Now we multiply the first parts of the first and second expression together.

$a\cdota=a^{2}$

Now we multiply the first term of the first expression with the second term of the second expression.

$a\cdot16 b=16 a b$

Now we multiply the second term of the first expression with the first term of the second expression.

$a\cdot16 b=16 a b$

Now we multiply the last terms of each expression together.

$16 b\cdot16 b=256 b^{2}$

Now we add all these results together, and we get.

$a^{2} + 32 a b + 256 b^{2}$

Report an Error

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All Common Core: High School - Algebra Resources

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Common Core: High School - Algebra : Polynomial Identities and Numerical Relationships: CCSS.Math.Content.HSA-APR.C.4

Study concepts, example questions & explanations for Common Core: High School - Algebra

All Common Core: High School - Algebra Resources

Example Questions

Example Question #341 : High School: Algebra

Example Question #271 : Arithmetic With Polynomials & Rational Expressions

Example Question #272 : Arithmetic With Polynomials & Rational Expressions

Example Question #273 : Arithmetic With Polynomials & Rational Expressions

Example Question #274 : Arithmetic With Polynomials & Rational Expressions

Example Question #275 : Arithmetic With Polynomials & Rational Expressions

Example Question #276 : Arithmetic With Polynomials & Rational Expressions

Example Question #277 : Arithmetic With Polynomials & Rational Expressions

Example Question #278 : Arithmetic With Polynomials & Rational Expressions

Example Question #279 : Arithmetic With Polynomials & Rational Expressions

All Common Core: High School - Algebra Resources

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