Writing Algebraic Expressions
Solving Equations with Variables on Each Side
Slope
Solving Inequalities
Substitution & Elimnation
100
a number decreased by 8
What is x - 8
100
4(2a - 1) = -10(a - 5)
a = 3
100
(4, 9) (1, 6)
What is (-3/-3) or 1
100
25g> -100
What is g > -4
100
y = 4x 3x - y = 1
What is x = -1
200
four times a number divided by 2
What is 4x/2
200
4 (p + 3) = 36
p = 6
200
(2,1) (8, 9)
What is (4/3)
200
-8m < -64
What is m<8
200
x = 2y y = x - 2
What is y = 2
300
the sum of 9 and a number
What is 9 + x
300
6(n - 1) = 2(2n + 4)
What is n = 7/5
300
(1, -2) (6, 2)
What is (4/5)
300
18 < -3b
What is b> -6 or -6<b
300
x = 2y -3 y = 2x + 4
What is (5/3)
400
twice the sum of 15 and a number
What is 2(15+x)
400
-3(x - 8) = 24
What is x=0
400
(-1, -3) (8, -3)
What is no slope
400
-30 > -5p
What is 6 >p or p<6
400
x + y = -4 x - y = 2
What is x = -1
500
7 more than the product of 6 and a number
What is 7 + 6x or 6x + 7.
500
2 (w- 1) + 4 = 4 (w+1)
What is w = -1
500
(2, 5) (6, 2)
What is (-3/4)
500
-3 < p/4
What is -12 < p pr p<-12
500
Rema is older than Ken. The difference of the ages is 12 and the sum of their ages is 50. Find the age of each.
Rema is 31, Ken is 19 R - K = 12 R + K = 50 2R = 62 2R/2= 62/2 R = 31 R + K = 50 31+ K = 50 -31 -31 K = 19
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