PreCalculus Assessment 2.1 - 2.4

Which is the standard form for quadratic functions?

• y = a(x - h)² + k

• y = (x + a)(x + b)

• y = ax² + bx + c

• y = x²

Tags

CCSS.HSA.SSE.A.2

Which is the vertex form for quadratic functions?

• y = a(x - h)² + k

• y = (x + a)(x + b)

• y = ax² + bx + c

• y = x²

Tags

CCSS.HSA.SSE.A.2

What is the equation for a basic quadratic that has been shifted up 7 and left four?

• y = (x - 4)² + 7

• y = (x + 7)² - 4

• y = (x + 4)² - 7

• y = (x + 4)² + 7

• y = (x - 7)² + 4

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.2

Give the transformations, in order, for y = -(3x - 8)² + 4

• flip over x, horizontal compression, right 8, up 4

• up 4, right 8, horizontal compression, flip over x

• horizontal compression, right 8, flip over x, up 4

• vertical compression, right 8, flip over x, up 4

• flip over x, vertical stretch, right 8, up 4

Tags

CCSS.HSF.BF.B.3

CCSS.HSG.CO.A.2

What is the vertex of y = 9(x - 1)² + 7

• (9, 1)

• (-1, 7)

• (1, 7)

• (-1, -7)

• (9, 7)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Convert to vertex form.

• y=4(x+4)² - 62
• y=4(x-4)² - 62
• y=4(x-8)² - 62
• y=4(x+8)² - 62

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What are the zeros of x²-9x+14

• 2, 7

• -2, -7

• 2, -7

• -2, 7

Tags

CCSS.HSA-REI.B.4B

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

A ball is thrown vertically into the air.  Its height in feet after t seconds is given by the equation h(t) = –5t² + 20t, and is graphed below.  How high will the ball be after 3 seconds?

• 20 ft
• 15 ft
• 5 ft
• 10 ft

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Which of these is NOT a requirement to be a polynomial?

• smooth, continuous graph

• no holes

• no breaks

• no gaps

• must pass the horizontal line test

Tags

CCSS.HSA.APR.A.1