Alg. II Review

The table shows the height of a tree for various years after it was planted.

• y = -0.05x² + 0.11x + 2.45

• y = 0.11x² - 0.05x + 2.45

• y = 2.45x² + 0.11x - 0.05

• y = -0.05x² + 2.45x + 0.11

Write the given equation in vertex form:

y=x²+6x-2

• y=(x+3)²+7

• y=(x+3)²-11

• y=(x+6)²-2

• y=(x-3)²-38

Convert f(x) = 3x²+ 6x - 5 to vertex form.

• f(x) = 3(x + 1)² - 8

• f(x) = 3(x - 1) ² - 8

• f(x) = 3(x + 2)² - 8

• f(x) = 3(x - 2)² - 8

Which quadratic function in vertex form can be represented by the graph that has a vertex at (3,-7) and passes through the point (1,-10)?

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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 domain of this quadratic graph?

• y ≥ 3

• y ≤ 3

• ℝ

• y ≤ 2

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which equation has a vertex of (-3, 4)?

• y = 2(x+3)² + 4
• y = (x+3)² - 4
• y = (x-3)² + 4
• y = 2(x - 3)² + 4

Write the equation of the quadratic function that has a vertex of (-5, 9) and passes through the point (-7, -15).

• y = 6(x + 5)² + 9
• y = -6(x - 5)² + 9
• y = 6(x - 5)² + 9
• y = -6(x + 5)² + 9

What's the axis of symmetry of y = 3x² - 6x + 4

• x=1
• x=-6
• x=2
• x=-1

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4