3x+1=-8
x=-3
24
16
Simplify the following expression:
5x + 7x
12x
Solve for y:
3x-2y>10
y<3/2x-5
-10 + 2x = x
x =10
What is 93?
729
Simplify the following expression:
3x + 6 + 7x + 3
10x + 9
Solve by substitution. Show ALL work.
y = 2x + 3
2x + 3y = 1
x = -1
y = 1
6 + (k/4) = 14
32
What is the value of 23 + 32 - 42?
3 + 42 • (3 + 2)
83
8 + 4x + 1 - 12 + 5x
9x - 3
Identify the x and y intercepts of the following linear equation.
y = -2x+4
(2,0) and (0,4)
-5(x+6)-10=10
x=-10
Simplify
1
45
-18 + (-12) =
-30
-11j + 16 - 22j - 27 + 5j
-28j - 11
Solve by elimination
2x + 3y = 2
4x - 3y = 10
x = 2
y = -2/3
4(x-2)=2(x+8)
x=12
Determine whether the sequence is arithmetic or geometric. Then find the 15th term.
1, 5, 9, 13, ...
Arithmetic.
a15 = 57
30
6 + (-2 + -5) =
-1
Combine like terms:
9y + 3 - 4x -2y - 3x - 5
7y - 7x - 2
OR
-7x + 7y - 2
Calculate the mean, median, and mode.
8, 4, 5, 8, 5, 4, 8
mode = 8
mean = 6
median = 5