Math Vocabulary
What is a variable?
A symbol (like x and y) that represents a number or value in an equation.
Original Square: Has sides of length 4 units
Dilated Square: Has sides of length 6 units.
What is the scale factor?
Scale factor= 3/2
x/4 - 8 = -28
What is x?
x = -80
6a + 5a = −11
What is a?
a = -1
What is additive inverse?
A number that is added to the original and gives zero.
What is a rational number?
Any number that can be written as a fraction.
It takes 2/3 of a bag of soil to fill 5 flower pots. How many bags of soil does it take to fill 1 flower pot?
The constant of proportionality is 2/15.
b/14 - 13 = -39
What is b?
b = -364
−6n − 2n = 16
What is n?
n = -2
What is 27% of 55?
x = 14.85
What is absolute value?
The distance a number is from zero.
What is 20% of 50?
x=10
104/x - 93 = -80
What is x?
x = 8
4x + 6 + 3 = 17
What is x?
x = 2
What is the mean of 6,3,8, and 5?
The mean is 5.5.
What is surface area?
The total area of the outer surfaces of a 3D shape.
The base of a triangular prism is a right triangle.
The legs of the right triangle are 3cm and 4 cm.
The height of the prism is 10cm.
What is the volume?
The volume is 6cm squared.
-67 - r/13 = -71
What is r?
r = 52
r + 11 + 8r = 29
What is r?
r = 2
d-21/3 = 3
What is d?
d = 30
What is mean, mode, range, and median?
Mean= average
Median= middle number
Mode= most frequent number
Range= Difference between largest and smallest numbers
If two angles are complementary and one is 5x + 10, and the other is 3x - 20, what is the value of X?
x = 10
-f/9 + 72= 97
What is f?
f = -225
−13 = 5(1 + 4m) − 2m
What is m?
m = -1
2(x + 3) = 10 + x
What is x?
x = 4