ACT Math : Algebraic Functions

Study concepts, example questions & explanations for ACT Math

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Example Questions

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Example Question #61 : Algebraic Functions

2x + y = 1

What is the slope and the y-intercept of the given equation, respectively?

Possible Answers:

1, 2

2, –2

1, 1

2, 1

–2, 1

Correct answer:

–2, 1

Explanation:

You put the equation into slope-intercept form (y = mx b)

The new equation is y= –2x + 1

= –2 and = 1

Example Question #4 : How To Use The Quadratic Function

How many solutions are there to: x– 9 = 0

Possible Answers:

0

2

1

Infinitely many

Correct answer:

2

Explanation:

There are two solutions that make the solution true: 3 and 3.

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