Unit Rate/ COP
What is the constant of proportionality in the following equation: y = 9.5x
What is 9.5
What number is 65% of
840?
What is 546.
The letter in an expression and equation that represents an unknown number.
What is a VARIABLE.
When does the line under the inequality sign mean?
What is or equal to.
What number can be used to represent pi?
What is 3.14
Three pounds of bananas cost $1.95. Which
of the following is NOT TRUE?
a. One pound of bananas is $0.75.
b. The equation y = 0.65x could be used.
c. Seven pounds of bananas is $4.55.
What is A.
What percent of 88 is 33?
What is 37.5%
Solve: -6x - 10 = 20
What is -5
When solving an inequality, when do you flip the inequality sign?
What is when you multiply or divide by a negative.
What two formulas can be used to find the circumference of a circle?
What is C=pi(d) and C=2(pi)(r)
The cost of 6 pounds of almonds is $23.28.
What is the constant of proportionality that
relates y, the cost in dollars, to x, the number
of pounds?
What is $3.88 per pound.
120% of what number is
54?
What is 45.
Solve: 5(b + 6) = 18
What is -2.4
Solve x – 16 < 11
What is x < 27
What formula can be used to find the area of a circle?
What is A=pi(r2)
An app developer projects that he will earn
$20.00 for every 8 apps downloaded. Write an
equation to represent the proportional
relationship between the total earnings, y, and
the number of apps downloaded, x.
What is y=2.5x
The seventh grade class held an end of the
year dance. Of the 300 seventh graders, 246
decided to attend. What percent of the
seventh grade class attended the end of the
year dance?
What is 82%.
Zyshonne joined a local gym to play basketball. The gym charges a $20 annual fee, plus an additional $15 per month for usage of the basketball courts. Zy prepays $185. How many months did Zy pay for?
What is 11 months.
Solve: 8 ≥ x + 10
What is -2 ≥ x
Find the circumference of a circle with a radius of 6 cm.
What is 37.68 cm.
Which situation best represents the
equation below?
y = 2.5x
a. Two cartons of eggs ring up at the register
for $2.50.
b. A bank account is opened with a balance of
$5, and $2.50 is deposited each day.
c. John is 2.5 times as big as his brother
Sam.
Mr. Hollins determines that he gives
away $800 each month. If he gives away
16% of his budget, how much is his overall
budget?
What is $5,000.
At the movies, a ticket is priced at $16, and each additional ticket is $11. If Izzy spends $71, then how many additional movie tickets did she purchase?
What is 5 additional tickets.
Solve: -7x ≥ 35
What is x ≤ -5
Find the area of a circle that has a diameter of 24 ft.
What is 452.16 ft2