Geometry
What is the sum of the interior angles of a triangle?
180°
What is 1/2 as a decimal?
0.5
What do you call a number that is multiplied by another number?
Factor
What is the average of these numbers?:
4, 6, 8
6
Solve for x:
5 + x = 12
7
What do you call a triangle with all three sides of different lengths?
Scalene Triangle
What is 25% as a fraction in simplest form?
1/4
What is the answer to a subtraction problem called?
Difference
What do you call the number that appears most often in a set of data?
Mode
Simplify:
3x + 4x
7x
What is the name of a quadrilateral l that only has one pair of parallel sides?
Trapezoid
Convert 0.75 to a percent.
75%
What type of number is only divisible by 1 and itself?
Prime Number
What is the median of this data set:
3, 7, 9, 12, 15?
9
What is the value of y when:
y = 2x
x = 6
12
A cirle has a radious of 5cm. What is the area of the circle? (π ≈ 3.14)
78.5 cm²
A store has a 20% off sale. if an item costs $50, what is the discount amount?
$10
What is the name of the longest side of a right triangle?
Hypotenuse
There are 3 red marbles and 5 blue marbles in a bag. What is the probability of picking a red marble? (Answer as a fraction)
3/8
Factor this expression:
x² + 5x +6
(x + 2)(x + 3)
What is the Pythagorean Theorem formula?
a² + b² = c²
A recipe uses 2/3 cup of sugar, if you double the recipe, how much sugar do you need?
1 ⅓ cups
What do you call a number that cannot be written as a fraction and has endless non-repeating decimals?
Irrational Number
A data set has these numbers:
12, 15, 20, 25, 30.
What is the range?
20
Solve for x:
x(x-3) = 4x + 2
x = -4