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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.
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?
Why do the solutions -2.39 and 3.19 not make 5x2 - 4x - 18 equal to exactly 20?
Question 17
17.
Select all the solutions to the equation 7x
2
= 343.
A. 49
B.
C. 7
D. -7
E.
F.
G.
