Solve.
x + 24 = -25
x= -49
Simplify.
8b + 5b
13b
Simplify.
6 (3x - 4)
18x - 24
Solve.
4x + 5x = 54
a= 6
State if the number is rational, irrational, or not real. Explain your reasoning.
Not a real number
(Can't have a negative under the square root sign)
Solve.
58 = 8 - 5f
-10 = f
Simplify.
8r2 + 2 - r - 5 - 3r2
5r2 - r - 3
Simplify.
-6 (x + 2) -2
-6x - 14
Solve.
3x + 4x - 2 = 12
x= 2
Write in exponential form:
(6n)4
Solve.
x = -24
Simplify.
a - 3b + 5a - b
6a - 4b
Simplify.
5 (-3p + 5) -p + 6p2
6p2 + 14p - 25
Solve.
4 = 16x -4 (5x - 7)
x = 6
Simplify.
64
Solve.
C= -45
Simplify.
11d + 5f - 21d + 5 - 8
-10d + 5f - 3
Simplify.
-7 (5n - 8) - 10n
-45n + 56
Solve.
7 (x + 4) + 5 = 40
x= 1
Evaluate:
290
Cooper wants to buy a new x-box for $350. He has $75 in his bank account and plans to save $25 per week. Write and solve a two-step equation to represent the situation. Use n for the number of weeks that he saves.
75+25n=350
n=11 weeks
Simplify.
13r + 5s - 2r - 15s2 -7s
-15s2 + 11r - 2s
Simplify.
-9p - 2 (2p + 7)
-13p - 14
Solve.
4x - (x - 4) = -20
x= -8
A square parking lot has an area of 64 square yards. There is a sidewalk along one side of the parking lot. How long is the sidewalk? (label your answer)
8 yards