Algebra
Solve: 5x = 20
x = 4
Degrees in a straight line
180
0.25 as a fraction
1/4
If a pencil costs $1 and you buy 3, total cost?
$3
Opposite of 7
-7
Term for a number multiplying a variable
Coefficient
Shape with four equal sides
square
Simplify: 18/24
3/4
A car travels 50 miles/hour. Distance in 4 hours?
200 miles
Prime number between 10 and 20
11,13,17, or 19
Simplify: 3(x + 2)
3x + 6
Formula for triangle area
1/2 (base)(height)
Convert 7/10 to decimal
0.7
You have $20 and spend $7. Money left?
$13
Evaluate: 3²
2x – 7 = 9
x = 8
A polygon with 8 sides
octagon
Add: 2/5 + 1/2
9/10
A number is 3 more than twice x. What is the equation?
2x+3
GCF of 12 and 18
6
Factor: x² – 9
(x – 3)(x + 3)
Distance around a circle
circumference
Convert 1.125 to a fraction
9/8
A rectangle is 5 by 12. Find area.
60
LCM of 4 and 10