Math III - Quadratics Review

Solve by taking square roots:
k² - 6 = 43

• k = √37
• k = 37 or - 37
• k = 7, k = -7
• no solution

Tags

CCSS.HSA-REI.B.4B

Solve
a² + 2a - 24 = 0

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

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:  4x² + 11x - 3 = 0

• x = -3/4 and x = -1
• x = 4 and x = 3
• x = 1/4 and x = -3
• x = -1/4 and x = 3

Tags

CCSS.HSA-REI.B.4B

Use the graph to determine the equation of the parabola

• y= –(x-1)(x-3)
• y= –(x+1)(x+3)
• y= (x-1)(x-3)
• y= (x+1)(x+3)

Tags

CCSS.HSF-IF.C.7A

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.1

What is the axis of symmetry for the following equation?

y=4x²-8x+9

• x = 5

• x=1

• y = 1

• y = 5

Tags

CCSS.HSA.REI.B.4

What is the vertex of the quadratic function: y=1/2(x-3)²+8?

• (3,8)
• (-3,-8)
• (-3,8)
• (3,-8)

Which of the following are other words for zeros? (Choose ALL that apply)

• x-intercepts

• roots

• vertex

• solutions

• y-intercepts

Tags

CCSS.HSF-IF.C.7C

Which if the following is an equation for a quadratic function that opens downward and has the vertex of (-4, 7)?

• f(x)= -(x-4)²+7
• f(x)= (x+4)²+7
• f(x)= -(x+4)²+7
• f(x)= (x-4)²+7

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of the equations represent the graph?

• y=(x+3)(x-1) and y=x²+2x-3
• y=(x+3)(x-1) and y=-x²-2x+3
• y=-(x-3)(x+1) and y= x²+2x-3
• y=-(x+3)(x-1) and y= -x²-2x+3

Tags

CCSS.HSF-IF.C.7A