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2-2 Practice
By Patrick Silvey
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Last updated almost 3 years ago
17 questions
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Question 14
14.
If y = 5x
2
- 4x - 18, what is y when x = -2.39?
1
Question 15
15.
If y = 5x
2
- 4x - 18, what is y when x = 3.19?
1
Question 16
16.
Why do the solutions -2.39 and 3.19 not make 5x2 - 4x - 18 equal to exactly 20?
1
Question 1
1.
Which statement is also true according to the zero product property?
A. only x = 0
B. either x = 0 or x + 10 = 0
C. either x
2
= 0 or 10x = 0
D. Only x + 10 = 0
Question 2
2.
What are the solution to the equation (10 - x)(3x - 9)?
A. -10 and 3
B. -10 and 9
C. 10 and 3
D. 10 and 9
Question 3
3.
What is the other solution to the equation (x - 6)(x + 5) = 0?
Question 4
4.
What is the other solution to the equation (x - 6)(x + 5) = 0?
Question 5
5.
What is one solution to the equation (x - 3)(2/3x - 6) = 0?
Question 6
6.
What is the other solution to the equation (x - 3)(2/3x - 6) = 0?
Question 7
7.
What is one solution to the equation (-3x - 15)(x + 7) = 0?
Question 8
8.
What is the other solution to the equation (-3x - 15)(x + 7) = 0?
Question 9
9.
What is one solution to the equation (x - 1)
2
= 16
Question 10
10.
What is the other solution to the equation (x - 1)
2
= 16
Question 11
11.
h(4) means calculate what 850 - 16t
2
is when t = 4. What is h(4)?
Question 12
12.
What is h(0)?
Question 13
13.
To the nearest second, when would the watermelon land on the ground?
Question 17
17.
Select all the solutions to the equation 7x
2
= 343.
A. 49
B.
C. 7
D. -7
E.
F.
G.
