Intro to parabolas

​Parts of a Parabola

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Multiple Choice

Which graph is a parabola?

Multiple Choice

What is the name given to the dotted line?

• A) y-intercept

• B) axis of symmetry

• C) vertex

• D) x-intercept

Multiple Choice

Name the Vertex

• (3, -4)

• (-3, -4)

Multiple Choice

x-intercepts

• -4 and 0

• -1 and -2

Multiple Choice

y-intercept

• 1

• -1/2

Fill in the Blanks

The vertex of a parabola can be the highest or lowest point of the parabola. What do we call the highest point on a graph?

Fill in the Blanks

The vertex of a parabola is the highest/lowest point on the graph. What do we call the lowest point on the graph?

Does it look like a mountain peak or does it look like it could function as a bowl?

• We call parabolas that "open up" concave up!

• Parabolas that "open down" are concave down!

• Remember up like cup, and down like frown!

Multiple Choice

Is the vertex of this parabola a maximum or minimum?

• Maximum

• Minimum

Multiple Choice

Identify the x-intercepts

• {1}

• No x-intercepts

• {0, 2}

• {0}