Algebra 1 : Variables

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #4782 : Algebra 1

Multiply the following monomial quotients:

\(\displaystyle 6\cdot3x\)

Possible Answers:

\(\displaystyle 18x^{2}\)

\(\displaystyle 9x\)

\(\displaystyle 18x\)

\(\displaystyle 12x\)

Correct answer:

\(\displaystyle 18x\)

Explanation:

To solve this problem, split it into two steps:

1. Multiply the coefficients

\(\displaystyle 6\cdot3=18\)

2. Combine this number with the single variable to get the final answer:

\(\displaystyle 18\cdot x=18x\)

Example Question #22 : How To Multiply Monomial Quotients

Multiply the following monomial quotients:

\(\displaystyle x^{2}\cdot 5x\)

Possible Answers:

\(\displaystyle 6x^{2}\)

\(\displaystyle 5x^{3}\)

\(\displaystyle 5x^{2}\)

\(\displaystyle 6x^{3}\)

Correct answer:

\(\displaystyle 5x^{3}\)

Explanation:

To solve this problem, split it into two steps:

1. Multiply the coefficients

\(\displaystyle 5\cdot1=5\)

2. Multiply the variables. We also need to remember the following laws of exponents rule: When multiplying variables, add the exponents.

\(\displaystyle x\cdot x^{2}=x^{1+2}=x^{3}\)

Combine these to get the final answer:

\(\displaystyle 5x^{3}\)

Example Question #22 : How To Multiply Monomial Quotients

Multiply the following monomial quotients:

\(\displaystyle x^{2}\cdot x^{3}\)

Possible Answers:

\(\displaystyle 2x^{5}\)

\(\displaystyle x^{6}\)

\(\displaystyle 2x^{6}\)

\(\displaystyle x^{5}\)

Correct answer:

\(\displaystyle x^{5}\)

Explanation:

To solve this problem, split it into two steps:

1. Multiply the coefficients

\(\displaystyle 1\cdot1=1\)

2. Multiply the variables. We also need to remember the following laws of exponents rule: When multiplying variables, add the exponents.

\(\displaystyle x^{2}\cdot x^{3}=x^{2+3}=x^{5}\)

Combine these to get the final answer:

\(\displaystyle x^{5}\)

Example Question #4783 : Algebra 1

Multiply the following monomial quotients:

\(\displaystyle 6x\cdot 6x\)

Possible Answers:

\(\displaystyle 36x^{2}\)

\(\displaystyle 12x\)

\(\displaystyle 6x^{2}\)

\(\displaystyle 12x^{2}\)

Correct answer:

\(\displaystyle 36x^{2}\)

Explanation:

To solve this problem, split it into two steps:

1. Multiply the coefficients

\(\displaystyle 6\cdot6=36\)

2. Multiply the variables. We also need to remember the following laws of exponents rule: When multiplying variables, add the exponents.

\(\displaystyle x\cdot x=x^{1+1}=x^{2}\)

Combine these to get the final answer:

\(\displaystyle 36x^{2}\)

Example Question #23 : How To Multiply Monomial Quotients

Multiply the following monomial quotients:

\(\displaystyle 4x\cdot 5x^{2}\)

Possible Answers:

\(\displaystyle 20x^{2}\)

\(\displaystyle 20x\)

\(\displaystyle 20x^{3}\)

\(\displaystyle 9x^{3}\)

Correct answer:

\(\displaystyle 20x^{3}\)

Explanation:

To solve this problem, split it into two steps:

1. Multiply the coefficients

\(\displaystyle 4\cdot5=20\)

2. Multiply the variables. We also need to remember the following laws of exponents rule: When multiplying variables, add the exponents.

\(\displaystyle x\cdot x^{2}=x^{1+2}=x^{3}\)

Combine these to get the final answer:

\(\displaystyle 20x^{3}\)

Example Question #21 : How To Multiply Monomial Quotients

Multiply the following monomial quotients:

\(\displaystyle 2x^{4}\cdot 6x\)

Possible Answers:

\(\displaystyle 8x^{4}\)

\(\displaystyle 8x^{5}\)

\(\displaystyle 12x^{5}\)

\(\displaystyle 12x^{4}\)

Correct answer:

\(\displaystyle 12x^{5}\)

Explanation:

To solve this problem, split it into two steps:

1. Multiply the coefficients

\(\displaystyle 2\cdot6=12\)

2. Multiply the variables. We also need to remember the following laws of exponents rule: When multiplying variables, add the exponents.

\(\displaystyle x^{4}\cdot x=x^{4+1}=x^{5}\)

Combine these to get the final answer:

\(\displaystyle 12x^{5}\)

Example Question #4784 : Algebra 1

Multiply the following monomial quotients:

\(\displaystyle 3x\cdot 2x\)

Possible Answers:

\(\displaystyle 4x^{2}\)

\(\displaystyle 5x\)

\(\displaystyle 6x^{2}\)

\(\displaystyle 6x\)

Correct answer:

\(\displaystyle 6x^{2}\)

Explanation:

To solve this problem, split it into two steps:

1. Multiply the coefficients

\(\displaystyle 3\cdot2=6\)

2. Multiply the variables. We also need to remember the following laws of exponents rule: When multiplying variables, add the exponents.

\(\displaystyle x\cdot x=x^{1+1}=x^{2}\)

Combine these to get the final answer:

\(\displaystyle 6x^{2}\)

Example Question #25 : How To Multiply Monomial Quotients

Multiply the following monomial quotients:

\(\displaystyle x^{6}\cdot x^{4}\)

Possible Answers:

\(\displaystyle 2x^{5}\)

\(\displaystyle x^{24}\)

\(\displaystyle 2x^{10}\)

\(\displaystyle x^{10}\)

Correct answer:

\(\displaystyle x^{10}\)

Explanation:

To solve this problem, split it into two steps:

1. Multiply the coefficients

\(\displaystyle 1\cdot1=1\)

2. Multiply the variables. We also need to remember the following laws of exponents rule: When multiplying variables, add the exponents.

\(\displaystyle x^{6}\cdot x^{4}=x^{6+4}=x^{10}\)

Combine these to get the final answer:

\(\displaystyle x^{10}\)

Example Question #26 : How To Multiply Monomial Quotients

Multiply the following monomial quotients:

\(\displaystyle 2x^{3}\cdot x^{5}=2x^{8}\)

Possible Answers:

\(\displaystyle 3x^{8}\)

\(\displaystyle 4x^{12}\)

\(\displaystyle 2x^{8}\)

\(\displaystyle 2x^{15}\)

Correct answer:

\(\displaystyle 2x^{8}\)

Explanation:

To solve this problem, split it into two steps:

1. Multiply the coefficients

\(\displaystyle 2\cdot1=2\)

2. Multiply the variables. We also need to remember the following laws of exponents rule: When multiplying variables, add the exponents.

\(\displaystyle x^{3}\cdot x^{5}=x^{3+5}=x^{8}\)

Combine these to get the final answer:

\(\displaystyle 2x^{8}\)

Example Question #24 : How To Multiply Monomial Quotients

Multiply the following monomial quotients:

\(\displaystyle x^{10}\cdot 3x\)

Possible Answers:

\(\displaystyle 4x^{10}\)

\(\displaystyle 4x^{12}\)

\(\displaystyle 3x^{10}\)

\(\displaystyle 3x^{11}\)

Correct answer:

\(\displaystyle 3x^{11}\)

Explanation:

To solve this problem, split it into two steps:

1. Multiply the coefficients

\(\displaystyle 1\cdot3=3\)

2. Multiply the variables. We also need to remember the following laws of exponents rule: When multiplying variables, add the exponents.

\(\displaystyle x^{10}\cdot x=x^{10+1}=x^{11}\)

Combine these to get the final answer:

\(\displaystyle 3x^{11}\)

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