Algebra 1 and Algebra 2 ACT Questions

What is x if
f(x) = -2?

• 4

• 0

• 3

• 8

Tags

CCSS.HSF.IF.A.2

Evaluate f(-2) if f(x) = x²+ 3

• -1

• 1

• 7

• -7

Tags

CCSS.HSF.IF.A.2

b(x) = 2x - 3
b(-2) = ______

• -7

• -1

• 7

• 1

Tags

CCSS.HSF.IF.A.2

Lines p and n lie in the standard (x,y) coordinate plane. An equation for line p is y = 0.12x + 3,000. The slope of line n is 0.1 greater than the slope of line p. What is the slope of line n?

• 0.012

• 0.02

• 0.22

• 1.2

• 300

Tags

CCSS.8.EE.B.5

Which of the following mathematical equations is equivalent to the statement “A number, x, squared is 39 more than the product of 10 and x” ?

• 2x = 39 + 10x

• 2x = 39x + 10x

• x² = 39 - 10x

• x² = 39 - x¹⁰

• x² = 39 + 10x

A 50 gallon water tank is to be used for irrigating a garden. If it is full, and water is used from it at a constant rate of 2 gallons per hour, which relationship best models this reduction in volume over time?

• 50^2x

• 50 - 2x

• 2x + 50

• 50x - 2

• 2 - 50x

Tags

CCSS.HSF-BF.A.1A

• a³b + cd

• -a(ad + bc)

• a(ad-bc)

• a(bc - ad)

• a(ad + bc)

For ΔFGH which of the following is an expression for y in terms of x?

• x + 4

• √(x² + 4)

• √(x² + 8)

• √(x² - 16)

• √(x² + 16)

Tags

CCSS.8.G.B.7

The graph of y = −5x² + 9 passes through (1,2a) in the standard (x,y) coordinate plane. What is the value of a ?

• 2

• 4

• 7

• -1

• -8

Tags

CCSS.HSF.IF.A.2

The expression (3x − 4y²)(3x + 4y²) is equivalent to:

• 9x² – 16y⁴

• 9x² – 8y⁴

• 9x² + 16y⁴

• 6x² – 16y⁴

• 6x² – 8y⁴

Tags

CCSS.HSA.APR.A.1