Quadratics Pre - Test

What is the vertex of the parabola: y=2(x-3)²+4

• (3,4)
• (-3,4)
• (3, -4)
• (-3,-4)

Factor 25x²-64

• (5x+8)(5x-8)
• (5x-8)²
• (5x+8)²
• Not factorable

Does the equation open up or down? 
Y = -3x² +7x - 2

• up
• down

Tags

CCSS.HSF-IF.C.7A

Find the zeros of this quadratic.

• b=-2, b=-4
• b=-2, b=4
• b=1/2, b=-2
• b=2, b=-4

Tags

CCSS.HSA-REI.B.4B

Factor
k²+7x+10

• (k+2)(k+5)
• (k-2)(k-5)
• (k+10)(k+4)
• (k+2)(k-5)

Factor
n² + 16n + 63

• (n-7)(n+4)
• (n+7)(n-9)
• (n-3)(n-10)
• (n+7)(n+9)

What is the vertex of this quadratic?

• (4,0)
• (0,0)
• (2,-4)
• (-4,2)

The graph of a quadratic function is called a

• line
• curve
• u
• parabola

Tags

CCSS.HSF-IF.C.7A

Identify the a, b, and c values of the quadratic function in general form.

f(x) = 3x² - 7x + 12

• a = 12, b = -7, and c = 3

• a = 3, b = -7, and c = 12

• a = -7, b = 3, and c = 12

• a = -3, b = 7, and c = 12

Solve the equation by factoring:
x²-6x+8=0

• 2, 4
• -2, -4
• -2, 4
• 2, -4

Tags

CCSS.HSA-REI.B.4B