Equations and Inequalities
Solve the equation 2x + 4 = -40
-22
Find 1% of 54
0.54
Finish the Phrase.
What you do to one side
Do to the other
The diameter of a circle is 12.25 units. What is the circle's radius? (2 minutes)
6.125 units
If there are 6 boys and 3 girls, what is the ratio of girls to boys in lowest form?
1:2
Solve this inequality -4m > 2
m < -1/2
Find 130% of 130
169
Whenever you divide or multiply by a negative number in an inequality what do you have to remember to do?
Flip the Symbol
The radius of a circle is 1cm. What is the circumference of the circle? Use Pi = 3.14
6.28 cm2
Mr. Bethel gave 130 PBA points during the 5 day school week last week. How many PBA points did Mr. Bethel give per day?
26
Write the inequality to represent the scenario below.
Ronnie had $5 in his bank account. He deposits $2 per day. He now has more than $40. Use A to represent the total in his account and d to represent each day he deposits.
A > 5 + 2d
What percent of 70 is 21?
30%
What is the angle measurement of a straight line?
180 degrees
Sarah has a circular garden. She wants to put a fence around her garden. If the radius of her garden is 10ft, how many ft of fencing is needed to fence in the entire garden?
62.8 ft
John ran 1/4 mile in 2/3 of a hour. How many miles did John run per hour?
3/8
Solve for x
-10 - x = 14x + 4
-14/15
There were 500 Students at Harmony last year. This year there are 600. What is the percent increase?
20%
In the equation y = 2x+5 when the x value is 4 what is the y value?
13
The area of a circle is 50.24 cm2. What is the radius of the circle?
4cm
The ratio of cats to dogs is 3 to 4. If there are 49 total cats and dogs combined, how many are cats?
21
Solve
2x - 8 > 3x + 8
x < -16
A pair of shoes cost $370. The discount is 40% off. The tax is 5%. What is the final cost?
$233.10
What are angles that add up to a total of 90°
Complementary Angles
What is the circumference of a circle that has an area of 3.14cm2?
6.28cm
Last week Bill earned $210 for a 30-hour week. What would he have earned for a 40-hour week?
Bill would have earned $280.