Digital PSAT Math Practie Test 4: Advanced Math

1

Michele wants to design a floor that will have a length and width that add up to 30 feet. She also wants the area of the floor to be 216 square feet. What will the dimensions of the floor need to be?

2

is equivalent to which of the following?

A.

B.

C.

D.

3

For the real integers x and y, what must equal?

4

Factor: 16a² - 9b²

5

What are the two solutions for x in the equation 4x² + 8x - 4 = 0?

A.

B.

C.

D.

6

Simplify: x⁴y² + x³y⁵ + xy⁶ + 2x³y⁵

7

What is the value of x?