PERCENTS
EQUATIONS AND EXPRESSIONS
OPERATIONS WITH POLYNOMIALS
LINEAR EQUATIONS
LINEAR SYSTEMS OF EQUATIONS
100
35 is what % of 45?(Round to hundredth)
77.78%
100
Combine like terms. 7(2x + 2) - 9(-1 + 6x)
-40x + 23
100
2(8n + -2)
16n + -4
100
Find the slope from two points. (19, -16), (-7, -15)
-1/26
100
Find the point of intersection by graphing. y = -2x + 7 y = 3x - 8
(3,1)
200
29 is what % of 36?(To the nearest tenth)
80.6%
200
Solve. 6p - (5p + 5) = -8 - 2(p + 12)
-9
200
(6r + 4)(3r + 3)
18r2 + 30r + 12
200
Find the slope from two points. (1, -19), (-2, -7)
-4
200
When will the two gyms have the same cost for the same amount of months? Chicago Gym- y = 20x + 60 New York Gym- y = 10x + 150
9 months
300
19 kids showed up for class. There are 24 kids in the class, what percent of kids showed up?(Round to nearest tenth)
79.2%
300
Solve. -14 + 3(1x + 10) = 7(2x + 14) + 1x
-1
300
(7n + -1)(7n + 5)
49n2 + 28n + -5
300
Find the slope from two points. (6, -12), (15, -3)
1
300
Solve by Elimination. -4x - 2y = -12 4x + 8y = -24
(0, -6)
400
A person bought a car for 65% of the original price, $7200. How much did they pay for the car?
$4680
400
Solve. 2/5n - 5 = 7
30
400
(8m + -8n)(4m + -2n)
32m2 + 16n2 + -48mn
400
Is (10, -7) a solution to y = -x + 3?
Yes
400
Solve by Elimination. -2x - 9y = -25 -4x - 9y = -23
(26,3)
500
A crew is made up of 8 men, the rest are women. 66 2/3% of the crew are men. How many people are in the crew?
12 People
500
2n + 2 + 8 + 6n = 2(5 + 4n)
Infinitely Many Solutions
500
(7m + 1)(8m2 + 3m + 8)
56m3 + 29m2 + 59m +8
500
Is (2,0) a solution to 4x - 2y = 8
Yes
500
Solve by Substitution. 2x + y = 20 6x - 5y = 12
x = 7
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