Unit 7 Review/Domain & Range **

What are the coordinates of the vertex, and is it a maximum or minimum?

• (-1, 4); Maximum

• (-1, 4); Minimum

• (4, -1); Maximum

• (4, -1); Minimum

Use the graph to determine the x-intercept(s).

• (1, 0)

• (0, 3), (0, 1)

• (3, 0), (1, 0)

• (0, -3)

How did we transform from f(x) =x²

to

g(x) = -3x²

• reflection across x-axis and shifts down 3

• reflection across x-axis and gets narrower

• reflection across x axis and gets wider

• reflection across x-axis

What is another name for the x-intercepts of a quadratic?

• roots

• Zeros

• solutions

• They don't have another name

• x-axis

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)

Given the equation for this parabola:

y=-(x-4)²-3,

does this parabola have a maximum or minimum value?

• Maximum of -3

• Minimum of -3

• Maximum of 4

• Minimum of 4

A parabola has the equation: f(x)=-(x+3)²+2.

Where is the axis of symmetry?

• y = -2

• x = 3

• x = -3

• y = 2

Quadratic equations take the shape of a _______ when graphed.

• parabola

• straight line

• wavey line/snaked

• circle/elliptical

Identify the vertex of the following quadratic equation.

f(x) = -4(x - 6)² - 7

• (6, -7)

• (-6, -7)

• (6, 7)

• (-6, 7)

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

• (6, 0)

• (0, 6)

• (0, 4)

• (4, 0)