Simplify It!
Solve for x
Inequality showdown
Proportion Power
Word Problems
100
simplify: 2(x + 8)
2x + 16
100
x + 8 = 17
x = 9
100
In an inequality, when you are dividing or multiplying by a negative number, you should.....
flip the sign
100
What is the equation for a proportion?
y = kx
100
A car travels 183 miles in 3 hours. What is the constant of proportionality that relates y, the total number of miles, to x, the number of hours?
k =61
200
simplify: 2(3p + 72 + 30)
6p + 204
200
7x - 11 = 66
x = 11
200
Solve and graph:
x + 7 > 15
x > 8
200
For a graph to be proportional the line must....
Go through the origin (0, 0), and the line must be straight on the graph.
200
The track at a fitness center is 0.32 kilometers long. Jamie ran around the track
3 1/2 times. How many kilometers did Jamie run?
1.12 kilometeres.
300
Is this a true statement?
-7(4x-8) =-28x +56
yes
300
x/-3 -8 = 11
-57
300
Solve and graph :
1/2r + 3 ≤ 6
r ≤ 6
300
Mr. Krenshaw is typing a novel he has written. He types at a constant rate. The table below shows how many pages he has typed after different amounts of time.
Time: Number of Pages:
1.5 9
3.5 21
7.5 45
8.5 51
How Many pages does Mr. Krenshaw type each hour?
6 pages
300
At the grocery store, 2/5 of a pound of grapes cost $2.00. What is the price per pound of grapes?
$5 per pound
400
Factor:
5x+ 20
5 (x +4)
400
2(x+ 4) -2 =18
x = 6
400
Solve and graph:
19 > -4p -5
p > -6
400
A. Rachel pays $ 0.25 for each minute she exceeds her cell phone plans minutes.
400
A recipe uses 4 cups of flour for 12 cookies. How many cups are needed for 30 cookies?
10 cups
500
Use exactly two terms to write an equivalent expression to represent the perimeter, in feet, of Shawn's garden.
4x +44
500
5x -7 = 3x + 9
x = 8
500
A taxi charges a $3 starting fee plus $2 per mile. You have $19. Write and solve an inequality to find the maximum number of miles you can travel.
8 miles
500
For a science experiment, Annie removes a cold liquid from a refrigerator and measures its temperature every minute. Annie finds that the temperature increases by
degrees Fahrenheit (°F) between each measurement for three minutes. What is the rate per minute of the temperature increase?
°F per minute
500
A fifteen-passenger van is rented for a family vacation. The van rental is $75.00 per day plus a $160.00 insurance fee. Write and graph an inequality to find x, the number of days the van can be rented if they want to spend less than $760.00 on the van rental.
75.00x + 160.00 < 760.00