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Final Review Fall 2019
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Name:
*
Your answer
1.Solve the expression (2 + 34)/9 + 6
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1 point
Your answer
2. When evaluating the expression [5(18/3) + 42/2]
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1 point
Your answer
3. Which mathematical expression represents the word expression "Ten more than a number x?"
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1 point
10 - x
10x + x
x + 10x
x + 10
Required
4. Evaluate for s in the expression ( 3s + 8) - (2s - 2) if s= -4.
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1 point
14
6
-10
10
Required
5. Solve for x in the following equation 6 - 2x = 24
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1 point
9
-2
-9
2
Required
6. Solve for x in the equation 2(x+ 4x) = 50.
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1 point
-5
5
-8. 33
8.33
Other:
Required
7. Which of the following is not a function?
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1 point
{(1,2),(2,4),(3,6),(4,8})
{(1,0),(4,2),(8,4),(6,8)}
{(2,4),(8,4),(16,4),(32,4)}
{(2,1),(2,2),(2,3),(2,4)}
Other:
8. Which of the following graphs represents a function?
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1 point
Option 1
Option 2
Option 3
Option 4
Other:
9. If f(x)= 2x^2 - 5, which of the following could be used to find f(-4)?
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1 point
f(-4)= -2(-4)^2 - 5
f(-4)= 2(-4)^2 - 5
f(-4)= 2(-4)^2 + 5
f(-4)= 2(4)^2 - 5
Other:
Required
10. Find the slope between the points (0,5) & (-2,9).
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1 point
Your answer
11. Find the equation of the line that passes through the point (1,7) and is perpendicular to the line x - 4y= 8.
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1 point
y= 4x + 11
y= -4x + 11
y= 1/4x + 11
y= -1/4x + 11
Required
12. Which of the following sequences was generated by the following formula? a= 3n + 1; where n > or equal to 1.
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1 point
-7, -3, 3, 7
-3, 0, 3, 6
2, 4, 6, 8
4, 7, 10, 13
13. Explain in words how you would graph y= 1/2x + 3 on a coordinate plane.
Your answer
14. Which equation best represents the graph
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1 point
y= -x - 1
y= x + 1
y= x - 1
y= 2x - 1
15. Determine the slope and y-intercept from the data in the table below.
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1 point
m= -4, y= 40
m= -6, y= 40
m= -1/6, y= 40
m= 4, y=40
16. Mr. Howard took students with 90% attendance to skyzone. Mr. Howard bought principal Dancy a ticket for $21 plus paid $18 per student. Which equation relates the total amount, a, he paid and the number of student tickets, n, he bought?
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1 point
a= 18n + 21
a= 18 + 21n
a= 18n - 21
a= 18 - 21n
Other:
16a. Using the information from the previous problem #16, determine how much Mr. Howard spent in total if 50 students attended skyzone? Use $ in solution.
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1 point
Your answer
17. Find the value of x from the absolute equation. I2x + 1I = -22
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1 point
-11.5
-10.5
no solution
11.5
Required
18. Write the equation of the line that passes through the point (2,1) and parallel to the line y= -3x + 8.
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1 point
y= 3x + 7
y= 7x + 3
y= 3x + 8
y= -3x + 7
Required
19. What's the first step you would take in completing the following equation. 5(2x + 3)= 2(5x + 3)
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1 point
add terms on both sides of the equation; 2x and 3 and 5x and 3.
distribute; multiply 5 by 2x and 3 on the left and multiply 2 by terms 5x and 3 on the right.
Divide the left by 5 and divide the right by 2.
Subtract three from both sides of the equation.
Other:
20.
*
8 points
natural number
irrational number
rational number
integer
whole number
real number
-8
0
1/4
square root of 3
square root of 25
.13673459877........
.3333333333....
7
natural number
irrational number
rational number
integer
whole number
real number
-8
0
1/4
square root of 3
square root of 25
.13673459877........
.3333333333....
7
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