Algebra
Simplify: 3x + 5x - 2.
8x - 2
The sum of the angles in a triangle is _____ degrees.
180o
Linear
What is the probability of flipping a coin and getting heads?
1/2 or 50%
A store sells pencils at $0.50 each. How many can you buy with $12?
24 Pencils
Solve for x: 2x - 7 = 9
x = 8
Find the area of a rectangle with length 8 and width 5.
40 square units
What is the slope of the line y = -2x-3 + 7?
-2
A bag has 5 red marbles and 3 blue marbles. What's the probability of picking a red marble?
5/8
A train travels at 60 mph. Hour far does it go in 2.5 hours?
150 miles
Factor: x2 + 7x + 12
(x+3)(x+4)
The Pythagorean theorem is used with what kind of triangle?
Right Triangle
if f(x)=2x + 5, what is f(4)?
13
Find the mean of: 3, 5, 7, 9, 11.
7
Sarah has 3 more than twice as many apples as John. If John has 5, how many does Sarah have?
13 apples
Expand: (x + 4)(x - 3)
x2 + x - 12
The point (3, -2) is reflected across the x-axis. What are the new coordinates?
(3, 2)
Find the x-intercept of y = 5x - 10.
(2, 0)
the mode of the data set 2, 4, 4, 5, 6, 6, 6, 7 is ___.
6
The perimeter of a rectangle is 36 in. If the length is 10 in, what is the length of the width?
8 in
Solve for x: (2x+1) ÷ 3 = 5
x = 7
A right triangle has legs 9 in and 12 in. How long is the hypotenuse?
15 in
At what point is the vertex of the parabola y = x2 -6x + 13 at?
(3, 4)
If you flip a coin 5 times, what is the probability of getting all heads?
1/32
A car's value decreases by 20% each year. If its value is $20,000 when it's purchased, what will it be after 1 year?
$16,000