Formulas

Question 0

What is the definition of absolute value?

Answer 0

The square root of a squared quantity.

Question 1

Average, Mean, Arithmetic Mean

Answer 1

Average = Sum of Terms/Number of Terms

—–>

Number of Terms*Average = Sum of Terms

Question 2

True or False: The average of a set of consecutive integers is equal to the average of the smallest and largest numbers in the set.

Answer 2

True

Question 3

What is the formula for the area of a parallelogram?

Answer 3

Area = Base*Height

Question 4

What is the formula to calculate the degree measure of one interior angle of an n- sided regular polygon?

Answer 4

((N-2)*180)/n

Question 5

How do you find the real roots of a quadratic equation?

Answer 5

X

Question 6

True or False: Two lines are perpendicular if their slopes are negative reciprocals of each other. For example, the line with equation 2 yx =+ 5 with equation Algebra 1 =-+ yx

Answer 6

True

Question 7

The graph of an equation of the form ()()222xaybr-+-= is a circle with its center at the point and with radius r

Answer 7

True

Question 8

What is the formula for the area of a trapezoid?

Answer 8

Area = ((Base1 + Base2)/2)*Height

Question 9

What is the formula for a permutation and when is it used?

Answer 9

n!/(n-r)!