College Algebra/Intro to Stats Midterm Assessment

Consider this expression.

2x² + 3x - 7(x + 2x) - 3

What's the USE of parentheses?

• Separation

• Multiplication

• Ordered Pair

• Order of Operations

Consider this expression.

57x³ - (-3x²y⁴)

What's the USE of parentheses?

• Separation

• Multiplication

• Ordered Pair

• Order of Operations

Simplify.

-2x³(4xy²)²

• -32x⁵y⁴

• -16x⁶y⁴

• -32x⁶y⁴

• -16x⁵y⁴

Simplify  [5(14 - 2)^2] / 2 

• 60
• 30
• 72
• 360

Evaluate x² + xyz
Given:  x = 3, y = 5, and z = 4

• 66
• 69
• 21
• 46

g²-3(h-g)

Evaluate if g=3 and h=-2

• 6
• 9
• 24
• 5

An expression is a mathematical statement ______ an equal sign.

• With

• Without

Evaluate -x + x² when x=-10

Considering a number puzzle, the product of the two base numbers is exactly twice as large as the sum of those same base numbers.

Assuming that the base numbers are whole numbers (no negatives), what pair of base values make this true?

• 4 and 4

• 3 and 6

• 3 and 3

• 0 and 0