Log in
Sign up for FREE
arrow_back
Library
2-13 Practice
By Patrick Silvey
star
star
star
star
star
Share
share
Last updated almost 3 years ago
31 questions
Add this activity
1
2
3
4
5
6
7
8
9
10
11
zoom_in
1
1
1
1
1
1
1
1
1
1
1
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
zoom_in
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Question 1
1.
Select
all
the equations that have 2 solutions.
A. (x + 3)
2
= 9
B. (x - 5)
2
= -5
C. (x + 2)
2
- 6 = 0
D. (x - 9)
2
+ 25 = 0
E. (x + 10)
2
= 1
F. (x - 8)
2
= 0
Question 2
2.
What is one solution to the equation 60t - 75t
2
= 0?
Question 3
3.
What is the other solution to the equation 60t - 75t
2
= 0?
Question 4
4.
How long is the frog in the air?
Question 5
5.
What is one solution to the equation 0 = 4 + 12t - 16t
2
?
Question 6
6.
What is the other solution to the equation 0 = 4 + 12t - 16t
2
?
Question 7
7.
How long is the tennis ball in the air?
Question 8
8.
Rewrite (x + 1)(7x + 2) in standard form.
Question 9
9.
Rewrite (8x + 1)(x - 5) in standard form.
Question 10
10.
Rewrite (2x + 1)(2x - 1) in standard form.
Question 11
11.
Rewrite (4 + x)(3x - 2) in standard form.
Question 12
12.
One factor of 16x
2
- 8x + 1 is (4x - 1). What is the other factor?
Question 13
13.
One factor of 9x
2
- 16x - 4 is (9x + 2). What is the other factor?
Question 14
14.
One factor of -7x
2
+ 36x - 5 is (-x + 5). What is the other factor?
Question 15
15.
What is the value of
a
for the equation 4x
2
- 4x - 15 = 0?
Question 16
16.
What is the value of
b
for the equation 4x
2
- 4x - 15 = 0?
Question 17
17.
What is the value of
c
for the equation 4x
2
- 4x - 15 = 0?
Question 18
18.
What is -
b
for 4x
2
- 4x - 15 = 0?
Question 19
19.
What is
b
2
for 4x
2
- 4x - 15 = 0?
Question 20
20.
What is 4
ac
for 4x
2
- 4x - 15 = 0?
Question 21
21.
What is
b
2
- 4
ac
for 4x
2
- 4x - 15 = 0?
Question 22
22.
What is
for 4x
2
- 4x - 15 = 0?
Question 23
23.
What is
for 4x
2
- 4x - 15 = 0? (Use +/- notation).
Question 24
24.
What is 2
a
for 4x
2
- 4x - 15 = 0?
Question 25
25.
What is one solution to the equation 4x
2
- 4x - 15 = 0?
Question 26
26.
What is the other solution to the equation 4x
2
- 4x - 15 = 0?
Question 27
27.
Select ALL of the statements below that are true of the graph of y = -x
2
:
It opens upward
It opens downward
It has an x-intercept at (0, 0)
It has an x-intercept at (-1, 0)
It has an x-intercept at (1, 0)
It has an y-intercept at (0, 0)
It has an y-intercept at (0, -1)
It has an x-intercept at (0, 1)
Question 28
28.
How many x-intercepts does the graph of y = -x
2
+ 16x have?
none
one
two
three
Question 29
29.
What is the coordinate of the vertex of y = -x
2
+ 16x?
Question 30
30.
What is the coordinate of the y-intercept of y = -x
2
+ 16x?
Question 31
31.
Does the graph of y = -x
2
+ 16x open up or down?
Opens up
Opens down
Neither
