1-13 Practice

Last updated almost 3 years ago

20 questions

Question 1

Select all of the quadratic expressions in vertex form.

A. (x - 2)2 +1

B. x2 - 4

C. x(x + 1)

D. (x + 3)2

E. (x - 4)2 + 6

Question 2

Show that the expressions defining m and p are equivalent.

Question 3

What is the coordinate of the vertex of the graph of m?

Question 4

What is one coordinate of the x-intercept of the graph of p?

Question 5

What is the other coordinate of the x-intercept of the graph of p?

Question 6

Which equation is represented by the graph?

A. y = (x - 1)2 + 3

B. y = (x - 3)2 + 1

C. y = -(x + 3)2 - 1

D. y = -(x - 3)2 + 1

Question 7

Vertex for a?

Question 8

Vertex for b?

Question 9

Vertex for c?

Question 10

10.

Vertex for d?

Question 11

11.

Vertex for e?

Question 12

12.

Vertex for f?

Question 13

13.

Coordinate of vertex of f(x) = (x - 4)2 + 5?

Question 14

14.

Opens up or down?

Question 15

15.

Coordinate of vertex of g(x) = -x2 + 5?

Question 16

16.

Opens up or down?

Question 17

17.

Vertex of h(x) = 2(x + 1)2 - 4 ?

Question 18

18.

Opens up or down?

Question 19

19.

Match each equation (left) with the description of how it change (right) from the function y = x2 graphed.

Draggable item		Corresponding Item
y = -x2		Flips to open down
y = 3x2		Becomes taller, vertically stretches
y = x2 + 6		Moves up

Question 20

20.

Match each graph with a quadratic equation that it represents.

Draggable item		Corresponding Item
Graph B		y = -x2 + 3
Graph A		y = (x + 1)(x + 3)
Graph D		y = x2 - 3
Graph C		y = (x - 1)(x - 3)

Question 1

Select all of the quadratic expressions in vertex form.

A. (x - 2)2 +1

B. x2 - 4

C. x(x + 1)

D. (x + 3)2

E. (x - 4)2 + 6

Question 2

Show that the expressions defining m and p are equivalent.

Question 3

What is the coordinate of the vertex of the graph of m?

Question 4

What is one coordinate of the x-intercept of the graph of p?

Question 5

What is the other coordinate of the x-intercept of the graph of p?

Question 6

Which equation is represented by the graph?

A. y = (x - 1)2 + 3

B. y = (x - 3)2 + 1

C. y = -(x + 3)2 - 1

D. y = -(x - 3)2 + 1

Question 7

Vertex for a?

Question 8

Vertex for b?

Question 9

Vertex for c?

Question 10

10.

Vertex for d?

Question 11

11.

Vertex for e?

Question 12

12.

Vertex for f?

Question 13

13.

Coordinate of vertex of f(x) = (x - 4)2 + 5?

Question 14

14.

Opens up or down?

Question 15

15.

Coordinate of vertex of g(x) = -x2 + 5?

Question 16

16.

Opens up or down?

Question 17

17.

Vertex of h(x) = 2(x + 1)2 - 4 ?

Question 18

18.

Opens up or down?

Question 19

19.

Match each equation (left) with the description of how it change (right) from the function y = x2 graphed.

Draggable item		Corresponding Item
y = -x2		Flips to open down
y = 3x2		Becomes taller, vertically stretches
y = x2 + 6		Moves up

Question 20

20.

Match each graph with a quadratic equation that it represents.

Draggable item		Corresponding Item
Graph B		y = -x2 + 3
Graph A		y = (x + 1)(x + 3)
Graph D		y = x2 - 3
Graph C		y = (x - 1)(x - 3)