Graphing Linear Exponential Quadratics

Shift f(x)=x² three units to the left and 4 units down

• f(x)=(x+3)²-4

• f(x)=(x-3)²-4

• f(x)=(x+4)²-3

• f(x)=(x-4)²-3

Find the axis of symmetry for

f(x) = x²- 4x + 5.

• x = -2

• x = 2

• y = 2

• y = -2

• y= 2x +1

Answer explanation

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

When did the ball reach it's maximum height?

• 0.5 seconds

• 9 seconds

• 0 seconds

• 5 seconds

What is the maximum height of the ball?

• 0.5 feet

• 9 feet

• 0 feet

• 5 feet

What are the x-intercepts for the function below?

• (3, 0) and (7, 0)

• (3, 0) and (-7, 0)

• (-3, 0) and (7, 0)

• (-3, 0) and (-7, 0)

What are the x-intercepts for the function below?

• (5, 0) only

• (-5, 0) only

• (0, 0) and (5, 0)

• (0, 0) and (-5, 0)

If the x-intercepts are at 2 and 10, what is the x-value of the vertex? (don't worry about the y-value here)

• (2, __)

• (4, __)

• (6, __)

• (8, __)

• (10, __)

What is the vertex of this function?

• (-3, 0)

• (-3, 1)

• (-3, -1)

• (-3, -4)

Find the decreasing interval

• (infinity, -2)

• (-infinity, 2)

• (2, infinity)

• (-2, infinity)