Show:
Equations
Percents
Computation
Radicals
Mixed Bag
100
Solve: 3x + 5 = 2x - 9
-14
100
Write 7% as a decimal.
.07
100
Simplify: 5 + 3 • 4 - 8 + 2 • 7
23
100
Simplify: √32
4√2
100
Round 3.65 x 7.93 to the nearest tenth.
28.9
200
Solve: 3 (x - 7) = 9
10
200
What is 25% of 312?
78
200
Simplify: 18 ÷ (7 - 4) • 7
42
200
Simplify: (1/2)√72
3√2
200
Add: 5x^2 - 3x + 2 and 3x^2 - 4x – 1
8x^2 - 7x + 1
300
Solve: x/8 - 3 = -11
-64
300
What percent of 30 is 21?
70%
300
Add: 3/5 + 1/3 (Answer must be in fraction form.)
14/15
300
Add: 8√2 + 3√2
11√2
300
Multiply: (x - 3) (x + 4)
x^2 + x - 12
400
Solve: -6 (36 - 10b) + 8 = 32
4
400
Find the percent of increase from 40 to 75.
87.5%
400
Add: l - 3 - 8 l + l - 3 l
14
400
Subtract: √50 - √2
4√2
400
Divide 12x^3 + 8x^2 - 16x by 4x
3x^2 + 2 - 4
500
Solve for x: rm + dx = c
What is x = (c - rm)/d
500
A sweater is $38. Find the total price after a 20% discount and 8% tax.
$32.83
500
Evaluate (1/2)ab^3 when a=6 and b=-3.
-81
500
Add: 3√8 + √32
10√2
500
Subtract: (3x^2 - 4x + 5) from (x^2 - x - 4)
-2x^2 + 3x - 9