Sec 3R MQ #4 Practice

Convert from standard to vertex form and list the vertex:

(hint: complete the square)

y = x² - 6x + 11?

• (3,2)

• (-3,-2)

• (-3,2)

• (3,-2)

Convert from standard to vertex form and list the vertex:

(hint: complete the square)

y = 5x² - 20x + 13

• (5, -7)

• (-2, -7)

• (2, -7)

• (-7, -2)

What is the equation of the graph?

• Y=(x + 3)² + 1

• Y=(x - 3)² -1

• Y=(x + 3)² -1

• Y=(x - 3)² + 1

Change to Standard Form: f(x) = 2(4x + 3)(x + 2)

• F(x) = 16x² + 44x + 24

• F(x) =8x² + 16x + 12

• F(x) =8x² + 11x + 6

• F(x) =8x² + 22x + 12

What is the vertex for the parabola represented by the equation
y = 2(x + 3)² - 8?

• (3, 8)
• (3, -8)
• (-3, 8)
• (-3, -8)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of the following is the correct equation for the given graph?

• f(x) = -2(x + 5)² - 3
• f(x) = -2(x - 5)² - 3
• f(x) =  (x + 5)² - 3
• f(x) =  (x - 5)² - 3

Tags

CCSS.HSF-IF.C.7A

What is the vertex form for a vertex of (1, 5) and when a=3?

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

Convert y = 3(x+1)² - 8 into standard form.

• y=3x² + 6x - 5

• y=3x² - 6x - 5

• y=3x² + 6x + 5

• y=3x² - 6x + 5

What piece of information does h identify in the following equation?

y=a(x-h)²+k

• Vertical dilation/stretch

• Horizontal shift

• Direction (concave up or down)

• Vertical shift

What effects does "k" have on the parent function?

• Vertical stretch/compression
• Horizontal shifts (left/right)
• Vertical shifts (up/down)

Tags

CCSS.HSF.BF.B.3