Quadratics Review (Unit 6)

What is the y-intercept of the equation
y = 2x² + 8x + 3?

• (0, 3)

• (3,0)
• (0,2)
• y=8

Tags

CCSS.HSF-IF.C.7A

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

Find the axis of symmetry of the following equation: y = 2x² + 8x + 3

• x = -4
• x = 2
• x = 0
• x = -2

Solve the quadratic equation by factoring: x² - 3x - 10

• x = 2, x = 5
• x = 10, x = -1
• x = 3, x = -4
• x = 5, x = -2

Tags

CCSS.HSA-REI.B.4B

Solve by using square roots

3x² + 12 = 60

• x = 5
• x = 0
• x = 3 or x = -3
• x = 4 or x = -4

Tags

CCSS.8.EE.A.2

Solve the equation using square roots:

(x - 2)² = 49

• x = 9, x = -5
• x = -3, x = -2

• x = 4, x = -7

• x = 7, x = -7

Tags

CCSS.HSA-REI.B.4B

Determine the values of a, b, and c for the quadratic equation:

4x² – 8x = 3

• a = 4, b = -8, c = 3

• a = 4, b = -8, c = -3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to find the solutions for
2x² - 9x + 5 = 0

• -8.14 and 6.14
• -4.07 and 3.07
• 0.65 and 3.85

• no real solutions

Tags

CCSS.HSA-REI.B.4B