Proportions
Equations & Inequalities
Real Number System
Slope
Mixed
100
True or False: In a given word problem, you should multiply when referring to unit rate questions.
False
Unit Rate: Divide
Proportions: Divide
100
Is 6x referring to adding, subtracting, multiplying, or dividing?
6 times x means multiplying
100
What's missing?
Rational, Integers, __________, Natural Counting
Whole Numbers
100
Like a race-runner, slope must first _______ up and then run over.
rise
100
Positive or Negative Slope?
Negative
200
26/x = 90/100
28.89
200
What number do you start with to solve the equation?
9x - 1 = 80
-1 changes to +1
200
(a) 0 is a __________ number.
(b) 1 is a _______ or ________ number
(a) wh0le
(b) counting or natural
200
Identify the slope and y-intercept in the equation.
y = 8x + 16
8 slope (m)
16 y-intercept
200
Find Constant of Proportionality.
Hint: Think of this question as a ratio (y:x)
Constant of Proportionality (COP): 1.5
300
10 jars of crushed ginger costs $20. How many jars can you buy for $4?
2 jars
300
Combine Like Terms:
Simplify: 5x+3y−2x+6y
3x+9y
300
John’s monthly salary was $3,200 last year. This year, his salary increased by 15%. How much is his salary now?
$3,680
300
What is the slope and y-intercept of the graph?
y-intercept: -3
slope:
3/2
300
Solve:
1/3(6^2+4)
40/3 = 13
400
The cost of 8 oranges is $4. What is the cost of 20 oranges at the same rate?
First find the cost per orange:
$4 ÷ 8 = $0.50 per orange
Now multiply by 20 oranges:
20 × $0.50 = $10
Answer: $10
400
Solve
9 + 9n = 9
0
400
Negative numbers are __________.
integers
400
Find slope and y-intercept of table. 
slope: 2
y-intercept: 1
400
The 6 months of growth (x), and the 3600 total berries grown (y). What's the constant of proportionality?
Hint: Proportional relationship, y=kx
600
500
Andy took a trip to Mexico. Upon leaving he decided to convert all of his Pesos back into dollars. How many dollars did he receive if he exchanged 42.7 Pesos at a rate of $5.30 is 11.1 Pesos?
First find the value of 1 Peso in dollars:
5.30÷11.1≈0.477
Now multiply by 42.7 Pesos:
42.7×0.477≈20.37
Answer: about $20.37
500
Solve:
150 < 25x
6 < x
500
Real numbers are either rational or __________.
irrational
500
Find the slope of the line passing through the points:
(2,3) (6,4)
Slope: 1/4
500
1 hour = ______ km
60