Is 7 - 3 positive or negative?
Negative
5 ___ -7
5 > -7
How do you express an unknown number in math?
With a variable
What is a right angle?
90 degree angle
PEMDAS
2 - 4
-2
Graph the inequality.
x ≥ -3
Draw on board
Simplify.
7x + 21 - 3x - 75
4x - 54
How many degrees are in a triangle?
180 degrees
Convert to a decimal: 75%
0.75
-3 x 7
-21
When does the inequality symbol reverse/change?
Solve the equation.
x + 4 = 20
x = 16
How many degrees are in a square?
360 degrees
See board for problem.
(Adding fractions)
See board for answer.
(Adding fractions)
5 - (-3)
8
Solve the inequality.
x + 23 ≤ 56
x ≤ 33
Solve the equation.
4x - 3 = 21
x = 6
Triangle sides:
A - 24 inches
B - 32 inches
C - x inches
If the triangle's perimeter is 80 inches, then what is the length of side C?
Side C is 24 inches.
See board for problem
(Multiplying fractions)
See board for answer
(Multiplying fractions)
What is -24 divided by -6?
4
Solve the inequality.
4 - 2x > 8
x < -2
Solve the equation.
3(2x + 6) = 48
x = 5
A rectangle has a length of x units and width of 12 units. If the area of the rectangle is 24 units2, then what is the length of the rectangle?
Solve.
4(2x + 23) = 123
x = 7.75