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- 1. Multiple Choice
Factor and use the Zero Product Property to find the roots of the following quadratic equation
0=x2 - 7x + 12
x=4 or x=3
x=5/2 or x = 4/3
x=-3 or x=3
x=-6
- 2. Multiple Choice
Factor and use the Zero Product Property to find the roots of the following quadratic equation.
0 = 6x2 - 23x + 20
x=4 or x=3
x=5/2 or x=4/3
x=-3 or x=3
x=-6
- 3. Multiple Choice
Factor and use the Zero Product Property to find the roots of the following quadratic equation.
0 = x2 - 9
x=4 or x=3
x=5/2 or x=4/3
x=-3 or x=3
x=-6
- 4. Multiple Choice
Factor and use the Zero Product Property to find the roots of the following quadratic equation.
0 = x2 + 12x + 36
x=4 or x=3
x=5/2 or x=4/3
x=-3 or x=3
x=-6
- 5. Multiple Choice
The price of milk has been steadily increasing 5% per year. If the cost of a gallon is now $3.89. What will it cost in 10 years? What did it cost 5 years ago?
$6.34;$3.05
$4.08;$3.05
$4.08;$3.70
$5.21;$3.70
- 6. Multiple Choice
One of these lines represents Feng, and one represents Wei. Write an equation for each girl's line. When do they meet?
Feng: y=4x+2 Wei: y=6x+2 (4,12)
Feng: y=3x Wei: y=2x-7 (4,12)
Feng: y=1/4x Wei: y=1/6x-12 (6,24)
Feng: y=4x Wei: y=6x-12 (6,24)
- 7. Multiple Choice
Identify the y-intercept, x-intercepts, and the vertex of the following graph. y=x2 - 2x
(0,0); (0,0) and (2,0); (1,-1)
(0,0); (-2,0) and (0,0); (2,-2)
(2,0); (0,0) and (2,0); (1,-1)
(0,0); (1,-1) and (2,0); (0,0)
- 8. Multiple Choice
Simplify using only positive exponents.
(91/2x2y)(271/3y-1)
9xy-2
243xy
9x2
243x2
- 9. Multiple Choice
Simplify using only positive exponents.
(x1/2)-2
x-1
1/x
x-2
x1/2
- 10. Multiple Choice
Simplify using only positive exponents.
(1/125)2/3
1/25
52
25-2
1/5
- 11. Multiple Choice
Simplify using only positive exponents.
(8x3)/(-2x-2)
-4x5
x5/4
6x5
16x
- 12. Multiple Choice
Quinn Started off with twice as much candy as Denali, but then he ate 4 pieces. When Quinn and Denali put their candy together, they now have a total of 50 pieces. How many pieces of candy did Denali start with?
54
18
15
23
- 13. Multiple Choice
What is the equation of the line passing through (-24,7) and (30,25)?
y=7x-24
y=3x+15
y=1/3x+15
y=1/3x-24
- 14. Multiple Choice
Write the explicit form of the following sequence:
100, 10, 1, 0.1, ...
t(n)=100(1/10)n
t(n)=(100/10)n
t(n)=1000(10)n
t(n)=1000(1/10)n
- 15. Multiple Choice
Write the explicit form of the following sequence:
0, -50, -100, ...
t(n)=-50n
t(n)=-50n+50
t(n)=n-50
t(n)=50n-50
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