Quarter 1 Reviewer

If adding integers with different signs is simply subtracting the numbers and copying the sign of the number with the bigger absolute value, which of the following is TRUE?

• – 2 + 3 = – 5

• – 2 + 3 = – 1

• – 2 + 3 = 1

• – 2 + 3 = 5

If subtracting integers of the same signs is the same as adding integers with different signs, which of the following is the difference of: –2 – (– 4) = ?

• – 2

• 2

• 4

• 6

• –3 and –4

• –3 and 4

• 3 and –4

• 3 and 4

Rational algebraic expressions are mathematical expressions which can be expressed as fractions such that the denominator must NOT be equal to zero. Examples of Rational algebraic expressions are given below EXCEPT:

Applying the same factoring technique in item 4, what are the two consecutive integers whose product is 56?

• –7 and –8

• –4 and – 14

• 2 and 28

• 7 and – 8

Translating as presented in Q1M2 means writing from mathematical phrases to algebraic expressions and vice versa. Which of the following is the correct translation for: the quotient of the cube of the difference of x & y to the square of the sum of x & y?

• the quotient of the cube of the difference of x & y to the square of the sum of x & y

• the quotient of the cube of the sum of x & y to the square of the difference of x & y

• the quotient of the difference of x cube & y cube to the sum x squared & y squared

• the quotient of the sum of x cube & y cube to the difference x squared & y squared

• –125

• – 75

• 75

• 125

• –7

• – 5