Quadratics Key Features Review

Determine the domain and range of the function

• Domain: All real numbers, Range: All real numbers

• Domain: x ≥ -4, Range: All real numbers

• Domain: All real numbers, Range: y ≥ -4

• Domain: All real numbers, Range: $y\le-4$

What is the axis of symmetry of y=2x²-4x+9?

• x = 1
• x = -1
• x = -2
• x = 4

Tags

CCSS.HSA.REI.B.4

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

• (4,0)
• (-4,0)
• (0,-4)
• (0,4)

Tags

CCSS.HSF-IF.C.7A

Standard Form of a quadratic equation is y =

• (x + a)(a + b)
• ax² + bx + c
• (x - h)² + k
• mx + b

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.B.3

CCSS.HSA.CED.A.2

Which statement about the graph is FALSE?

• The vertex is also a zero of the function

• The y-intercept is (0, -2)

• The axis of symmetry is x = 2

• The range is y ≥ 0

Tags

CCSS.HSF-IF.C.7A

How does the parabola open? y = 4x - x² - 1

• up

• down

• left

• right

Tags

CCSS.HSF-IF.C.7A

If the quadratic has a positive 'a' coefficient, what direction does the parabola open?

• Up
• Down

Tags

CCSS.HSF-IF.C.7A

What is an equation of a parabola with the vertex of  $\left(3,-4\right)$  ?

•  $y=-\frac{1}{2}\left(x+3\right)^2-4$  

•  $y=2\left(x-3\right)^2+4$  

•  $y=\frac{3}{2}\left(x-3\right)^2-4$  

•  $y=\left(x+3\right)^2+4$  

Tags

CCSS.HSA.CED.A.1

What is an equation of a quadratic with x-intercepts at  $\left(-1,0\right)$   and  $\left(-10,0\right)$  

•  $y=-2\left(x+1\right)\left(x-10\right)$  

•  $y=\frac{1}{3}\left(x+1\right)\left(x+10\right)$  

•  $y=-\frac{1}{10}\left(x-1\right)\left(x+10\right)$  

•  $y=3\left(x-1\right)\left(x-10\right)$  

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Which form is this in?  $y=3x^2-7x+2$  

• Intercept

• Standard

• vertex

• Cubic

Tags

CCSS.HSA.SSE.A.2