Expressions and Equations
Simplify:
a + 3b - 9 + a - 3b + 5
2a - 4
What does the k in y=kx stand for?
What is the Constant of Proportionality?
What is the average?
-2 + 1
What is -1?
Percent can be out of any number. True or False
false, must be out of 100
Simplify:
-2(x + 9)
-2x - 18
What is the constant of proportionality in this equation:
y = 2/5x
What is 2/5?
Median
What is the middle number (after placing the numbers in order from least to greatest.)
|-5|
What is 5?
The measure of complementary angles
What is 90 degrees?
Simplify:
-3(x - 4) + 9x
6x + 12
Darcy harvests 8 and 3/4 acres of corn every 5/6 of an hour. Darcy harvests corn at a constant rate.
How many acres does she harvest per hour?
What is 10.5?
Mode
Most frequently occurring number in a set of data.
What is -3 - 6?
What is -9?
How many degrees are there in a circle?
360
Solve for x:
4x - 4 = 8
x = 3
Solve for n.
11/n = 8/5
What is n = 6.875
Find the mean of the following basketball scores:
25, 32, 33, 40, 25
What is 31.
5 · (-7)
What is -35?
25% is _________ as a fraction, when simplified.
1/4
Solve for x:
-3(x - 5) = 21
x = -2
9 pencils cost $7.74. Write an equation that would help determine the cost of 6 pencils?
What is 6/x = 9/7.74?
Find the mode of the following test scores:
88, 89, 92, 95, 99, 39, 91, 95, 89, 89
What is 89?
12 ÷ (-6)
What is -2?
A fraction flipped upside-down.
reciprocal
Solve the inequality:
-3x - 8 > -11
x < 1
Ted likes to run long distances. He can run 20 km in 95 minutes. He wants to know how many kilometers (k) he will go if he runs at the same pace for 285 minutes.
How far will Ted run in 285 minutes?
What is 60 km?
Find the median of the following:
6, 3, 4, 2, 5, 6, 4, 3, 4, 2, 6, 2, 4
What is 4?
34 = -2x
What is -17?
What is 25% of 250?
What is 62.5?