Express Yourself
Solve: 3 + a = 10
a = 7
Operations in math are called...
What is add, subtract, multiply, or divide?
y = mx + b is what?
What is the slope-intercept form?
A triangle has legs of 9 and 12. What is the hypotenuse?
15
Solve the system:
y=x+3
y=2x−1
(4,7)
Solve: 6 = y - 3
y = 9
A letter or symbol used to represent an unknown number.
What is the variable?
A ladder is 10 ft long and reaches 8 ft up a wall. How far is the base from the wall?
6ft
If a line is parallel to another, it has _____ slope
...the same slope.
Solve: 4 + 2c = 8
c = 2
A math phrase with numbers, variables, and operations, but no equals sign.
expression
A right triangle has legs of 8 and 15. What is the hypotenuse?
17
Write 0.00073 in scientific notation.
7.3 x 10-4
Solve: 15 = 3d-3
d = 6
A measure of how steep a line is. It tells how much the line rises or falls compared to how far it moves sideways.
Slope
Equation for slope
What is m = (y2 - y1)/(x2 - x1) or Rise/Run
A ramp is 17 ft long and rises 8 ft high. What is the horizontal distance?
15ft
Numbers that include radicals that are NOT perfect squares...and pi
What are irrational numbers?
Simplify: 4x+7−2x+9
2x+16
The amount of space inside a three-dimensional figure.
Volume
When is Inverse Operation?
Opposite
A rectangle has a diagonal of 13 cm and one side of 5 cm. What is the missing side length?
12
A rule used to find the missing side of a right triangle:
Pythagorean Theorem