Solving Equations of Quadratic Functions and Graph Vocabulary

Standard form of a quadratic equation

• y=x²
• y=ax²+bx+c
• y=mx+b
• y=x

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• none of these

Tags

CCSS.HSG.GPE.A.2

Does the following quadratic equation have a maximum or minimum value? How can you tell?
y=x²+2x-3

• Minimum value, because the a value is positive
• Maximum value, because the b value is positive
• Maximum value, because the a value is positive
• Minimum value, because the c value is negative

Tags

CCSS.HSA.REI.B.4

Solve
x² + 2x - 24 = 0

• x = -6, x = 4
• x = 6, x = -4
• x = 12, x = -2
• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

Solve
x² + 9x + 20 = 0

• x = -2, x = -10
• x = -3, x = -4
• x = -4, x = -5
• x = -4, x = -6

Tags

CCSS.HSA-REI.B.4B

(x+1)(x-2)=0

• -1, 2
• 1, 2
• 1, -2
• -1, -2

Tags

CCSS.HSA-REI.B.4B

2x² = 32

• -4, 4
• 4
• -4
• 5.48

Tags

CCSS.8.EE.A.2

Use the Zero Product Property to solve the equation (7x+2)(5x-4)=0

• 2,-4
• 2/7 , 4/5
• -2/7 , 4/5
• -2, 4

Which answer correctly factored for the equation below?

• (x + 7)(x - 2) = 0
• (x - 7)(x + 2) = 0
• (x - 7)(x - 2) = 0
• (x + 7)(x + 2) = 0

Tags

CCSS.HSA-REI.B.4B

Convert x² - 9x + 20 to factored form and solve.

• (x-10)(x+2); x = -2, 10
• (x+4)(x+5); x = -5, -4
• (x-4)(x-5); x = 4, 5
• Not factorable

Tags

CCSS.HSA-REI.B.4B