Inequalities
Solve for x:
x + 5 > 12
x > 7
Solve for x:
x + 7 = 12
x = 5
Simplify:
7y − 3y + 4y
8y
A triangle has sides of lengths 5 cm, 5 cm, and 8 cm. What type of triangle is it? (Isosceles, Equilateral, or Scalene?)
Isosceles
What is 3/8 as a percent?
37.5%
DAILY DOUBLE:
Solve for y:
-3y ≤ 6
y ≥ -2
Solve for x:
2x + 3 = 11
x = 4
Simplify:
5(2x+3)
10x + 15
The base of a triangle is 10 cm, and the height is 6 cm. What is the area of the triangle?
30 cm squared
If 3 out of 4 students in a class have completed their homework, how many students out of 20 would you expect to have completed their homework?
15 students
Solve for a:
a/-2 < 8
a > -16
Solve for a:
10 + 5a − 7 = 18
Simplify:
6y − 4 + 2y + 7
4y + 3
Two pairs of angles that add up to 180 degrees are called what?
DAILY DOUBLE:
If you invest $500 at an interest rate of 6% per year for 3 years, how much interest will you earn?
$90
Solve the compound inequality:
−3 ≤ x + 2 <5
−5 ≤ x < 3
Solve for y:
4y − 7 = 2y + 5
y = 6
Simplify:
3(2x+4)−5x
x + 12
A quadrilateral has three angles measuring 90°, 120°, and 95°. What is the measure of the fourth angle?
55 degrees
Calculate the mean, median and mode:
Data set: 4, 7, 8, 12, 12, 15, 19
Mean: 11
Median: 12
Mode: 12
A car rental company charges $20 per day plus a one-time fee of $50. Let d represent the number of days you rent the car. Write an inequality that represents how much money you will spend if your total cost is no more than $200.
50 +20d ≤200
A car rental company charges a one-time fee of $25 plus $15 per day to rent a car. Write an equation for the total cost, C, to rent the car for d days. Then, find the total cost for renting the car for 5 days.
C = 25 + 15x
5 days = $100
The perimeter of a rectangle is given by the expression 2l + 2w, where l is the length and w is the width. If the length is 10 units and the width is 5 units, what is the perimeter?
Perimeter = 30 units
A right triangle has legs measuring 9 cm and 12 cm. What is the length of the hypotenuse?
15 cm
The price of a shirt increases from $20 to $24. What is the percent increase?
20%