Graph Quadratics Using Vertex Form

Does the parabola
f(x)=4(x-2)² + 3
open up or down?

• up

• down

Tags

CCSS.HSF-IF.C.7A

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

In vertex form you can see the ______ of the graph easily.

• vertex

• y-intercept

• x-intercepts

Tyler wants to know HOW HIGH the soccer ball will get if he kicks it straight up in the air.

When looking at the graph on GeoGebra, which value should he find?

• x-value at the vertex

• y-value at the vertex

• where the curve hits the x-axis (positive x-intercept)

What is the vertex and what does it mean?

• At 1.4 seconds the football is at a maximum height of 31 ft

• At 31 seconds the football is at a maximum height of 1.4 ft

• The ball is at its maximum height at 2.7 seconds

• The hits the ground at 1.4 seconds.

What is the name of this form: y = a(x - h)² + k

45.F.IF.7 graph quadratic functions expressed algebraically by hand and by using technology

• vertex form

• standard form

• factored form

• zero form

What is the Axis of symmetry?

• Y=3

• y=-3

• x= 3

• x=-3

Tags

CCSS.HSF-IF.C.7A

Quadratic equations take the shape of a _______ when graphed.

• parabola

• straight line

• snaked line

• elliptical

Tags

CCSS.HSF-IF.C.7A

Identify the form for the following Quadratic: y = 3(x + 4)² - 1

• Vertex Form

• Standard Form

• Factored Form

Does this graph have a maximum or minimum value?

• maximum

• minimum

• neither

• both

Tags

CCSS.HSF-IF.C.7A