Quadratics review

Quadratics review

Multiple Choice

What is the vertex of

f(x) = 2(x - 5)² + 12

• (-5, -12)

• (5, -12)

• (-5, 12)

• (5, 12)

Multiple Choice

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

• y-intercept

• Zeros

• x-axis

• They don't have another name

Multiple Choice

What is the intercept form of the quadratic shown?

• f(x) = -x(x - 4)

• f(x) = x(x - 4)

• f(x) = -x(x + 4)

• f(x) = x(x + 4)

Multiple Choice

What are the roots of the function

f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3

• x = 2 or x = -3

• The are no real roots

• x = 2 or x = 3

Multiple Choice

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

• up

• down

Multiple Choice

What is the y-intercept of

f(x)=2x² + 4x + 6

• (6 , 0)

• (0, 6)

• (0,-6)

• (-6 , 0)

Multiple Choice

What is the shape created by a football thrown in the air

• U

• quadratic

• parabola

• function

Multiple Choice

What are the x-intercepts of

f(x)=(x - 10)(x + 10)

• 10

• (0, -10) and (0, 10)

• (10 , 0) and (-10 , 0)

• 0

Multiple Choice

All Parabolas contain a vertex, when it opens up, this point is called a what?

• minimum

• maximum

Multiple Choice

True or False:

The domain of a quadratic is all real numbers.

• True

• False

Multiple Choice

Is this function wider, narrower, or the same as y=x²?

f(x) = - 1/4(x-7)² - 9

• narrower

• wider

Multiple Choice

True or False: To use the quadratic formula equations should be in standard form and set equal to 1.

• True

• False

Multiple Choice

Find the axis of symmetry for the function:

f(x) = 2x² - 4x - 6

• x=-1

• x=1

• x=4

• x=-4

Multiple Choice

Which term makes a function a quadratic function?

• x²

• x

Multiple Choice

What are the zeros for the function

f(x) = (x + 7)(x + 5)

• (7 , 0) and (5 , 0)

• (-7 , 0) and (5 , 0)

• (7 , 0) and (-5 , 0)

• (-7 , 0) and (-5 , 0)

Multiple Choice

What is the vertex form of this quadratic?

 $y=a\left(x-h\right)^2+k$  

•  $y=-\left(x-2\right)^2$  

•  $y=-\left(x+2\right)^2$  

•  $y=\left(x-2\right)^2$  

•  $y=\left(x+2\right)^2$  

Multiple Choice

What is the vertex form of this quadratic?

• $y=-\left(x-2\right)^2+4$

• $y=\left(x-2\right)^2-4$

• $y=-\left(x-2\right)^2-4$

• $y=\left(x-2\right)^2+4$