vocab
What is an constant
A number on it's own EX : 1 + 3 + 5 +7 + 9
3/8 + 2/8
5/8
7a - 6 + 8a
15a - 6
What is 100% of $37?
37
is 6 + 42 positive or negitive
positive
what is a term
A single number, a variable or a product of numbers and variables
1/2 X 4/5
2/5
-3d + 8d - 5d
0
How do you write 0.22 as a percentage?
22%
-3 + ____ = 11 find the blank
14
what is a coefficient
the number part of a term that contains a variable EX: 4 in 4x
3 1/2 - 1 3/4
1 3/4
1.5g - 10 + 6.5g - 3
8g -13
What is the percent of decrease from 100 to 85?
15%
Divide:
–10 ÷ –5 =
2
what is a like term
A term with the same variables raised to the exact same power
3/4 + 2/5
1 3/20
1/2h + 2h + 3/2h -1
4h -1
What is 75% of $20?
15
A diver is 200 feet below sea level. If they ascend at 25 feet per minute, how deep were they 10 minutes ago?
450 below sea level
what is a variable
a symbol usually a letter used to represent a number
3/4 X ( 1/2 + 2/3) - 1/6
17/24
3x + 2(4x + 7)
11x + 14
Harold ran in a 1-mile race. He estimated his average running speed to be 10 miles per hour, but it was actually 9.9 miles per hour. What is the percent error for his estimate?
If necessary, round your answer to the nearest tenth of a percent.
1.0%
747