1-15 Practice

Last updated about 3 years ago

20 questions

1

Show that the expressions defining m and p are equivalent.

1

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

1

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

1

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

1

Vertex for a?

1

Vertex for b?

1

Vertex for c?

1

Vertex for d?

1

Vertex for e?

1

Vertex for f?

1

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

1

Opens up or down?

1

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

1

Opens up or down?

1

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

1

Opens up or down?

1

Draggable item		Corresponding Item

1

Draggable item		Corresponding Item

Select all of the quadratic expressions in vertex form.

Show that the expressions defining m and p are equivalent.

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

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

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

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

Vertex for a?

Vertex for b?

Vertex for c?

Vertex for d?

Vertex for e?

Vertex for f?

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

Opens up or down?

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

Opens up or down?

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

Opens up or down?

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

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

Match each graph with a quadratic equation that it represents.

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

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

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

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

y = 3x2

Flips to open down

y = x2 + 6

Becomes taller, vertically stretches

y = -x2

Moves up

Match each graph with a quadratic equation that it represents.

Graph D

y = -x2 + 3

Graph A

y = (x + 1)(x + 3)

Graph B

y = x2 - 3

Graph C

y = (x - 1)(x - 3)