Algebra I Review cont.

The expression

3(x² + 2x - 3) - 4(4x² - 7x + 5)

is equivalent to

• -13x - 22x + 11

• -13x² + 34x - 29

• 19x² - 22x + 11

• 19x² + 34x - 29

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.B.3

The zeros of the function p(x) = x² - 2x - 24 are

• -8 and 3

• -6 and 4

• -4 and 6

• -3 and 8

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Which ordered pair below is not a solution to f(x) = x² - 3x + 4?

• (0,4)

• (1.5, 1.75)

• (5,14)

• (-1,6)

The trinomial x² - 14x + 49 can be expressed as

• (x - 7)²

• (x + 7)²

• (x - 7)(x + 7)

• (x - 7)(x + 2)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the y-intercept of the equation

y = x² + 8? (Hint: Plug it into your graphing calculator. Look at the graph or the table.)

• (0,3)

• (3,0)

• (0,8)

• Doesn't have one

If A = 3x² - 6x  and B = 12x- 6x², what is B - A?

• -9x² + 18x

• 9x² - 18x

• -3x² + 6x

• -3x²

Tags

CCSS.HSA.APR.A.1

Which expression is equivalent to 16x²-36? (Factor GCF/DOTS)

• 4(2x-3)(2x-3)

• 4(2x+3)(2x-3)

• (4x-6)(4x-6)

• (4x+6)(4x+6)

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5

• x = 5

• x = -50

• x = 30

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.REI.D.11

Which of the following does not represent a function?

• {(-3, 9), (-1, 1), (1, 1), (3,9)}

• {(-2, 4), (-2, -3), (0, -5), (1, -7)}

• {(-4, 2), (-1, 2), (0, 2), (5, 2)}

• {(-6, -5), (-4, 0), (-1, 3), (1, -3)}

Tags

CCSS.HSF.IF.A.1

Which function represents exponential decay?

• f(x) = 100(0.9)^x 

• f(x) = 10(1.09)^x 

• f(x) = 1.9^x

• f(x) = ½(9)^x

Tags

CCSS.HSF.LE.A.1