High School Algebra Review

If x = 2, y = 3√2, and w = 2√8, which expression results in a rational number?

• x + y

• y - w

• (w)(y)

• y/x

If the parent function of f(x) is p(x) = x², then the graph of the function

f(x) = (x - k)² + 5, where k > 0, would be a shift of

• k units to the left and a move of 5 units up

• k units to the left and a move of 5 units down

• k units to the right and a move of 5 units up

• k units to the right and a move of 5 units down

Which expression is equivalent to (-4x²)³?

• -12x⁶

• -12x⁵

• -64x⁶

• -64x⁵

Which domain would be the most appropriate to use for a function that compares the number of emails sent (x) to the amount of data used for a cell phone plane (y)?

• integers

• whole numbers

• rational numbers

• irrational numbers

Students were asked to write an expression which had a leading coefficient of 3 and a constant term of -4. Which response is correct?

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Tags

CCSS.HSF-IF.C.7C

The graph of a quadratic function is shown on the grid. Which equations best represents the axis of symmetry?

HINT: A.O.S. runs through vertex

• y = 6

• x = 2

• y = 4

• x = 0

What is the inverse of the function y = 4x + 5?

Tags

CCSS.HSF-BF.B.4A

Monthly mortgage payments can be found using the formula below, where M is the monthly payment, P is the amount borrowed, r is the annual interest rate, and n is the total number of monthly payments.
If Adam takes out a 15-year mortgage, borrowing $240,000 at an annual interest rate of 4.5%, his monthly payment will be

• $1379.09

• $1604.80

• $1835.98

• $9011.94

Answer explanation

n = 15 x 12 = 180