Math

Question 2

For the function f(x) = 3x2-2x-7, find f(2).
Answer
f(2) = 13
f(2) = 25
f(2) = 1
f(2) = 1/2
3 points
Question 3

One day you work 3 hours and your boss gives you $22. Another day after working 4 hours your boss gives you $33. Yesterday after working 5 hours you get $46. Which of the following functions could represent how your boss is paying you?
Answer
$ = h2+13
$ =11h-11
$ = (h+2)2-3
$ = h+19
3 points
Question 4

Which function represents the following x-y table?

x -5 -3 0 2 4
y 13 9 3 -1 -5
Answer
3x - 2
3-2x
-3x + 2
-2x - 3
3 points
Question 5

A line goes through the points (2,1) and (4,11). What is the slope of the line?
Answer
1/5
-5
-1/5
5
3 points
Question 6

Find the y-intercept of the following linear function: 10x - 5y = 25
Answer
(0,-5)
(0,-3)
(0,2)
(0,-2)
3 points
Question 7

Solve the following system of equations:

2x + y = 7
y = 5
Answer
(6,5)
(-3,5)
(5,1)
(1,5)
3 points
Question 8

Solve the following system of equations:

x + y = 8
y = x - 10
Answer
(-3, 11)
(7,1)
(2,8)
(9,-1)
3 points
Question 9

Solve the system of equations:

2x - 2y = 0

4x - 4y = 1
Answer
Infinitely Many Solutions
(1,1)
(0,0)
No solutions
3 points
Question 10

Find the missing value in the sequence: 14, 10, 6, 2, -2, ___
Answer
-8
-6
-4
-5
3 points
Question 11

Find the missing value in the sequence: 6, 9, 4, 7, 2, 5, ___
Answer
1
0
-1
8
3 points
Question 12

Samantha works for a company. On the first day the company pays her $20. On the second day the company pays her $29. On the third day the company pays her $38 and so on. If she works for this company how much will she make all together in 5 days?
Answer
$56
$134
$255
$190
3 points
Question 13

Find the missing value of the sequence: 1, -3, 9, -27, 81, ____
Answer
-212
-243
212
243
3 points
Question 14


Point F is located in which quadrant?
Answer
4
3
2
1
3 points
Question 15


Find the slope between the points A and B.
Answer
2/3
4/5
-2/3
-4/5
3 points
Question 16


Which quadrant is point B located in?
Answer
4
2
3
1
3 points
Question 17


Find the slope between the points E and F.
Answer
-1/3
-3
3
1/3
3 points
Question 18

Which of the following set of points has undefined slope?
Answer
(2,5) and (-8,5)
(4, 3) and (4,-5)
(3,3) and (5,5)
(1,-2) and (-2,1)
3 points
Question 19

You know that there are dimes and quarters in a jar. There are 12 coins in total. When you count up the money you find you have a total of $1.80. How many dimes are there in the jar?
Answer
6
8
5
9
3 points
Question 20

You know that there are 46 coins in a jar. They include dimes and quarters. When you count up the money you find you have a total of $9.40. How many quarters are in the jar?
Answer
18
32
14
10
3 points
Question 21

Jim goes to McDonalds and buys 2 Big Macs and 2 orders of fries for $10. Lacey goes to the same McDonalds and buys 3 Big Macs and 1 order of fries for $11. If you were to go to this McDonalds and buy 4 Big Macs and 3 orders of fries how much would you end up spending?

Answer
$16
$18
$16.50
$20

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