Exponents
What is the x called?
The base
8 + x = 12
x=4
Katy needs to buy at least 7 yards of fabric from the craft store.
Let f represent the number of yards of fabric that Katy might buy. Which inequality models the story?
A. f > 7 B. f > 7 C. f < 7 D. f < 7
B
14.5 x 3
43.5
2x + 3x
5x
What is the 3 called?
5^3
Exponent
c - 6 = 11
c =17
Last year, Gina planted 9 tomato plants in her garden and made pasta sauce with the tomatoes she grew. Gina wants to do it again this year, so she plans to plant at least as many tomato plants as she did last year.
Let t represent the number of tomato plants Gina might plant this year. Which inequality models the story?
A. t > 9 B. t > 9 C. t < 9 D. t < 9
B
12.3 + 5
17.3
3 + 2x + 5x
3 + 7x
Solve
4^3
64
5x=30
x=6
Ha-yoon can dive to a depth of 7 meters. Ji-woo cannot dive as deep as Ha-yoon.
Write an inequality that describes j, the depths Ji-woo can dive to in meters.
j < 7
20-13.65
6.35
3 + 5x + 7 + 7c
10 + 5x + 7c
5^5
3,125
20/a=10
a=2
The speed of sound is approximately 1,225 kilometers per hour. When an object travels faster than the speed of sound, it creates a sonic boom.
Write an inequality that describes s, the speeds at which a moving object creates a sonic boom.
s > 1,225
12.5 / 2
6.25
5y + 3 - 4y + 2 + x
y + 5 + x
( 5^3 - 3) + 14
136
n − 125 = 209
n= 334
Susan has 3 D's 2 B's and 1 C.
Write an inequality that shows what her gpa can be. Use s to represent her GPA.
s < 2.0
15.3 / 2.7
5.6666666666
How many Coefficients are in
5y + 3 + 5x + g + 7 - 4t
4