Ratios
If there are 3 dogs and 2 cats, what is the ratio of cats to dogs?
2:3
What is a coefficient?
4 to the power of 5
1,024
Write an inequality. You can be no taller than 48 inches to ride the rollercoaster.
x is less than or equal to 48.
x+6=12
x=6
40 miles per hour
2(2x+3)-8x
-4x+5 or 5-4x
5 to the power of 3
125
Graph this inequality. x>2
Open circle on two, arrow drawn to the right.
4x=32
x=8
Simplify the ratio: 14/56
1/4
What is a factor?
What is a quotient?
Both must be answered.
Factor: a number being multiplied.
Quotient: the answer to a division problem
42+5(3-1)-4
22
x-2>8
x>10
x/2=16
x=32
The ratio of boys to girls in a class is 3:5. What is an equivalent ratio?
6:10 or 9:15 or 12:20
List one expression that is equivalent to 4x.
x+x+x+x
or 3x+x
or 2x+2x
3+63+5(9-6)2/5
228
Give at least 3 numbers that are a solution for this inequality.
x+4<17
any number less than 13
3x+4=13
x=3
Ben earns $35.76 for every 2 hours that he works. How much money does he make per hour?
$17.88
2(2x+1)+3x+3
7x+5
9
Write an inequality: You must be older than 12 years old to sign up for school sports.
x>12
3x+7+x+13+x(3+1)=44
What is x?
x=3