Forms of Quadratics TEST

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the y-intercept of 
f(x)=2x² + 4x + 6

• (6 , 0)
• (-6 , 0)
• (0, -6)
• (0 , 6)

Tags

CCSS.HSF-IF.C.7A

Write y = x² + 4x - 1 in vertex form.

• y = (x - 2)² + 5
• y = (x + 2)² - 5
• y = (x + 2)² - 1
• y = (x +2)² + 3

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Fill in the blank: When we convert from standard to vertex form, the "a" value will ____________.

• stay the same
• be the same but negative
• become the vertex
• be squared

Tags

CCSS.HSA.SSE.B.3

Which value in the vertex form a(x - h)²+ k represents the y-value of the vertex?

• a

• h

• k

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Convert the equation y= (x+8)²+7 into standard form.

• y= x²+16x+71
• y= x²+8x+71
• y= x²+16x+64
• y= x²+15x+7

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Change to Standard Form:

y = (x - 1)(x - 8)

• y = x² + 9x + 8

• y = x² + 9x - 8

• y = x² - 9x - 8

• y = x² - 9x + 8

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the vertex of the function y=(x+2)²-7?

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

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the y-intercept of the function y=-2x²+8x-6?

• (0, 8)
• (0, -6)
• (0, 2)
• (0, 0)

Tags

CCSS.HSF-IF.C.7A