Quadratic Functions

What is the equation for the axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

CCSS.HSF-IF.C.7A

What is the green dot on the parabola called?

• maximum
• minumum
• roots
• zeros

Tags

CCSS.HSF-IF.C.7A

Find the y-intercept of f(x) = 2x² - 2x + 1

• 2
• -2
• 1
• -1

Does y = -4x² have a maximum or minimum value?

• maximum
• minimum

Tags

CCSS.HSF-IF.C.7A

Determine the vertex of the parabola:
y = 5x² - 20x + 13

• (5, -7)
• (-2, -7)
• (2, -7)
• (-7, -2)

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1
• f(x) = (x + 2)² - 1
• f(x) = -(x + 2)² - 1
• f(x) = -(x - 2)² - 1

Tags

CCSS.HSF-IF.C.7A

What is the formula to find the vertex of a parabola?

• x = -b/2
• x = -b
• x = -b / (2a)
• x = -b / 2

Solve 2(x-1)² = 32

• x= -3, 5
• x= -4, 4
• x= 3, 5
• x= 2, 6

Tags

CCSS.HSA-REI.B.4B

Solve.
4m² - 100 = 0

• m = 25, -25
• m = 96
• m = 5, -5
• m = -96

Tags

CCSS.8.EE.A.2

Solve using square roots.
5b² - 4 = 41

• b = 9, b = -9
• b = 3, b = -3
• b = 8, b = -8
• no solution

Tags

CCSS.8.EE.A.2