Squares and Square Roots
Find the square root of 81
9
Tell whether -3 is a solution of y + 4 is less than or equal to 1
-3 is a solution
How many degrees are in a triangle?
180
Simplify: -12/-3
4
Solve for y: 25 = -5y
y = -5
Find the square root of 196
14
Tell whether -7 is a solution to -x+5>20
No, 12 is not greater than 20
What is the formula to find the sum of the interior angles of a polygon?
S=(n-s)x180
Write 14/4 as a decimal
3.5
What is the value of the expression below when y = 3?
4y + 9
y = 21
What is 18 squared?
Solve for x: 2x < -4
x < -2
What is the sum of the interior angles of an octagon?
1080 degrees
Write 4/5 as a percent
80%
A number c minus 7.3 is less than 6. Write this word sentence as an inequality. Then solve for c.
c - 7.3 < 6
c = 13.3
What is the square root of 10 squared?
10
What value makes the inequality to -x<6 true? 1 or -6?
1
What is a measure of ONE angle in a regular pentagon?
108 degrees
There are 140 students in the seventh grade, and 10% are in Ms. Barkin's Math Class. How many students are in Ms. Barkin's Math Class?
14 students
Evaluate: 45/9 - 3 + 11 x 10
112
What is 12 squared, minus 4 squared, plus 3 squared?
137
Solve for x: -10x > 50
x < -5
In a right triangle, if a = 5cm, and c = 13cm, what is the length of leg b?
12cm
All students in The Green Vale School either get their lunch in the school cafeteria or bring it from home. 4% of students bring their lunch.
44 students brought their lunch.
How many students in total are in The Green Vale School?
1100 students
Solve and check: 53 = -3/8x + 17
x = -96