1
2
3
4
5
100
Which of the following expressions has a simplified value of 3x - 2?
A. -6x + 9x + 4 - 2
B. -x + 4 + 5x - x - 6
C. -8 + 3x - 10 - x
D. - 10 - 5x + 12 + 8x eweeeweesxefdx
B. -x + 4 + 5x - x - 6
100
-1/3 (9f - 18) + 8f
5f + 6
100
Which is the correct first step to solve the linear equation shown?
10 - 1.5w = 30?
Subtract 15 from both sides
100
Solve
t/-1.2 - 18 = 2
-24
100
What mistake did this student make in solving the equation?
Did not combine -3 and -9 correctly (should have gotten -12)
200
Solve the equation below.
34 = -2 + 9u + 16 + u
u = 2
200
DISTRIBUTE ONLY
-4(q - 2) = 5(3q - 8)
-4q + 8 = 15q - 40
200
The perimeter of the rectangle below is 42 inches. Find the value of x
x = 4 inches
200
Solve the equation below.
-8y - 3 (2y+ 1) = 67
y = -5
200
If the area of the rectangle shown is 88 square inches, which equation could be used to find the value of x? *hint* A = l x w
6x + 40 = 88
300
0.4(5r - 12) + 0.5r = 15.2
r = 8
300
1/10 (h + 50) = -3h - 13 + 4h
h = 20
300
A mountain gorilla weighs 135 pounds and is gaining 1/2 pound each week. An eastern gorilla weighs 143 pounds and is losing 1/4 pound each week. Write an equation that could be used to determine w, the number of weeks that it will take until the two gorillas weigh the same amount?
135 + 1/2w = 143 - 1/4w
300
One, Zero, or Infinite?
3(-2j + 4) = -6j - 12
Zero
300
-4 - 0.2s + 11 = -0.8s + 10
s = 5
400
When solving an equation, Jason gets to the last line of his work and is left with “23 = 23 ”. What does this mean?
All real numbers, infinite solutions, infinitely many solutions
400
Write and solve an equation that matches the description below:
“10 less than two times a number is the same as 50 less than the product of -1 and the number.”
Equation:
Solution:
2n - 10 = -1n - 50
n = -13.333333333
400
A website offers video game downloads for $4.75 each. Customers can also subscribe for an annual fee of $54, and each video game download would cost $2.50. Write and solve an equation to find the number of video games a customer would have to download in a year for the two options to be equal.
4.75g = 54 + 2.50g
g = 24
400
P = 5.25x - 6
400
-1 + 7.6x