variables and expressions
Simplify 3x + 4x
Answer - 7x
Solve x + 5 = 12
What is the y-coordinate of the point (4, 7)?
7
Simplify 2³
8
A shirt costs $12. How much do 3 shirts cost?
$36
Evaluate 2x + 5 when x = 3
11
Solve: 2x = 18
x = 9
What is the x-coordinate of the point (−3, 5)?
-3
Simplify 5²
25
A number increased by 7 equals 15. What is the number?
8
Simplify 5y − 2y + 7
3y + 7
Solve x − 8 = 15
x = 23
What is the slope of a line that rises 4 and runs 2?
2
Simplify 10⁰
1
A movie ticket costs $10. Write an expression for x tickets.
10x
Evaluate 4(a − 2) when a = 6
16
Solve 3x + 2 = 17
x = 5
What is the y-intercept of y = 2x + 5?
5
Simplify x² · x³
X5
You earn $8 per hour. How much do you earn in 6 hours?
$48
Simplify 2(3x + 4)
6x + 8
Solve 5x − 10 = 30
x = 8
What is the slope of the line through (1, 2) and (3, 6)?
2
Simplify (2³)(2²)
2⁵ = 32
The perimeter of a square is 24 inches. What is the side length?
6 inches