Unit 5 Vocab

Question 0

Every quadratic function forms a _______ shaped graph called a ______

Answer 0

1) U 2) parabola

Question 1

Standard form equation for a quadratic function

Answer 1

Y= ax(squared)+bx+c

Question 2

Parabola goes up if

Answer 2

A>0

Question 3

Parabola goes down if

Answer 3

A <0

Question 4

If a is a proper fraction the graph is

Answer 4

Wide

Question 5

If a is an improper fraction, the graph is

Answer 5

Narrow

Question 6

The line that divides the parabola in half through the vertex

Answer 6

Axis or line of symmetry

Question 7

How do you know if something is a quadratic equation?

Answer 7

If the degree is 2

Question 8

If a is positive the graph opens up and the vertex is called the

Answer 8

Minimum

Question 9

If a is negative and the graph opens down the vertex is called the

Answer 9

Maximum

Question 10

What is the equation for the axis of symmetry ?

Answer 10

X=h

Question 11

Vertex form

Answer 11

Y=a(x-h)+k

Question 12

Intercept form

Answer 12

Y=a(x-p)(x-q)

Question 13

P and q on intercept form are

Answer 13

The x intercepts

Question 14

To calculate the x coordinate of the vertex use (intercept form)

Answer 14

(P+q/2)

Question 15

X coordinate of vertex in standard form

Answer 15

-b/2a