Pre-Algebra Algebra Test

Which equation illustrates the distributive property?

• p(q+r) = pq + pr

• (p+q) + r = p + (q + r)

• pq = qp

• p + 0 = p

Which binomial is equivalent to 3(x - 1) - 2(x - 3) ?

• x - 7

• 5x - 7

• x + 5

• x + 3

What is the set of numbers that includes all positive and negative whole numbers?

• Whole Numbers

• Integers

• Rational Numbers

• Natural Numbers

The expression below simplifies to which?

• -45

• -33

• 63

• 192

Graph the solution to the system. The first equation has been plotted for you.

y = -3x-3

y= 4x +4

What is the value of y in the solution to this system of equations? 3x - 5y = 22 y = -5x + 32

Mathematical Equivalence

ON

Which sentence illustrates the associative property for multiplication?

• ab = ba

• a(bc) = (ab)c

• a(b+c) = ab + ac

The sentence 3 + (5 +2) = (5+2) +3 illustrates

• the commutative property of addition

• the associative property of addition

• the distributive property of multiplication over addition

• the additive identity element

What is the value of the expression below when x = -2. 2x^2 - 5x + 6

• 32

• -24

• 24

• 4

if a = 2 and b = -1, the expression \(3ab^2\) is equal to

• 6

• 12

• 36

• -12