Real Numbers
What is the square root of 225?
15
Fill in the blank.
_________ angles are a pair of nonadjacent angles formed by two intersecting lines. These angles are congruent and share a common vertex.
Vertical
What is the area of a parallelogram with a base of 4 inches and height of 12 inches?
Formula: A = bh (b is the base and h is the height)
48 square inches
1/12
Solve.
2x - 5 = 1
x = 3
Between which two whole numbers is the square root of 30?
5 and 6
_______ angles are two angles whose measures add up to 90 degrees.
Complementary
What is the area of a triangle with a base of 2 feet and a height of 6 feet?
Formula: A = 1/2bh (b is the base and h is the height)
6 square feet
Jack has 2 white shirts, 1 red shirt, 1 blue shirt, and 3 black shirts in a drawer. If he reaches in and removes one shirt, what is the probability the shirt is red?
1/7
Solve.
-5x - 2 = -17
x = 3
In the list of natural numbers, which number comes first?
1
What is the volume of a square pyramid in which the sides of the square are 5 inches and the height is 3 inches?
Formula: V = 1/3 x B x h (B is the area of the area of the base and h is the height.)
25 cubic inches
What is the area of a trapezoid that has the following characteristics? length of one base is 6 inches, length of another base is 10 inches, and height is 3 inches
Formula: A = 1/2h(b1 + b2)
24 square inches
Megan flips a coin several times. Which is greater, the probability that the coin lands on heads the first time, or the probability that the coin lands on heads three times in a row?
probability that the coin lands on heads the first time
Solve.
3 - 6x = -3
x = 1
Which set of numbers includes non-repeating, non-terminating decimals as well as pi?
irrational numbers
What is the volume of the cone in which the radius of the base is 2 inches and the height is 5 inches?
Formula: V = 1/3 x pi x r2h (h is the height and pi x r2 is the area of the base)
Round your answer to the nearest whole number.
21 cubic inches
The radius of a circle is 2 feet. What is the circumference of the circle?
Formula: C = 2 x pi x r
12.56 feet
A magician has a standard deck of 52 playing cards. He asks someone to remove one card, look at it, replace the card, then remove another card. Is this an example of independent or dependent events?
independent
Solve.
-5x > 25
x < -5
Which of the following sets is correctly ordered from least to greatest?
A. 3 x 102, 5 x 100, 4 x 103
B. 8 x 101, 7 x 102, 6 x 104
C. 2 x 104, 4 x 103, 6 x 100
D. 9 x 102, 3 x 105, 4 x 103
B
Joe's rectangular prism has a volume of 15 cubic inches including a height of 3 inches. Rita's rectangular prism has the same length and width as Joe's, but the height of hers is 6 inches. What is the volume of Rita's rectangular prism?
30 cubic inches
The diameter of a circle is 6 yards. What is the area of the circle?
Formula: A = pi x r2
28.26 square yards
Jack has 2 white shirts, 1 red shirt, 1 blue shirt, and 3 black shirts in a drawer. If he takes out a shirt, places it on his bed, than takes out another shirt, what is the probability that both shirts are white?
1/21
-2 + 4y > -14
y > -3