Unit 10 Review

Given the quadratic equation, identify the values for a, b, and c

-5x² = 20x - 13

• a = -5, b = 20, c = -13

• a = 5, b = -20, c = 13

• a = 5, b = 20, c = -13

• a = 5, b = 20, c = 13

Convert the equation y= x²-2x-5 into vertex form. 

• y= (x-1)²-6
• y= -(x-1)²-6
• y= (x+1)²-6
• y= -(x+6)²-1

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.IF.C.8

Which of the following has the same solution as

f(x) = x² + 12x - 2

• f(x) = (x + 6)² + 142

• f(x) = (x + 6)² - 34

• f(x) = (x + 6)² - 38

• f(x) = (x + 6)² + 34

What are the zeros of the quadratic function?
y = x² - 2x - 15

• x = -2
  x = -15
• x = -3
  x = 5
• x = 3
  x = -5
• x = 1
  x = -16

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Which of the following could represent the factors for this quadratic function?

• (x)(x + 4)

• (x)(x - 4)

Solve using the quadratic formula...

9x² = 4 + 7x

Round your answers to the nearest hundredth

• x = 2.12 and x = 3.45

• x = -1.01 and x = .25

• x = 1.00 and x = -.45

• x = 1.16, and x = -.38

If the original function f(x) = 3x² + 5 is shifted 6 units to the right to make the function g(x), what would be the equation for g(x)?

• g(x) = 3(x - 6)² + 5

• g(x) = 3(x + 6)² + 5

• g(x) = 3x² + 11

• g(x) = 3x² - 1

The graphs of y = x² - 3 and y = 3x - 4 intersect at approximately

• only (0.38, -2.85)

• only (2.62, 3.85)

• (0.38, -2.85) and (2.62, 3.85)

• (0.38, -2.85) and (3.85, 2.62)

Factor:
x² + 5x - 24

• (x - 8)(x + 3)
• (x + 8)(x - 3)
• (x + 6)(x - 4)
• (x + 12)(x - 2)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

CCSS.HSF-IF.C.7A