EOC Review #2

Which statement is true?

Which statement is true?

• The product of a non-zero rational number and an irrational number is always irrational.

• The product of a non-zero rational number and an irrational number is always rational.

• The product of a non-zero rational number and an irrational number is never irrational.

• The product of a non-zero rational number and an irrational number is sometimes rational.

• 𝑥 ≤ −2

• 𝑥 ≥ −2

• 𝑥 ≤ 2

• 𝑥 ≥ 2

What is (𝟑𝒙 − 𝟒)(𝟓𝒙 + 𝟔) when simplified?

An auto mechanic charges $𝟒𝟓 for a house call plus $𝟑𝟎 per hour for any work done. For one client’s house call, the mechanic charges a total of 𝑻 dollars. Which equation represents this situation, where 𝒉 is the number of hours of work done?

• 𝑇 = 30ℎ + 45

• 𝑇 = 30(ℎ + 45)

• 𝑇 = 45ℎ + 30

• 𝑇 = 45(ℎ + 30)

If a hamster weighs 1.1 pounds and a medium-sized dog weighs 42.3 pounds, to the nearest pound, which is most likely the weight of a pet cat?

• 2 lb

• 8 lb

• 32 lb

• 48 lb

A client comes in with a pet rabbit. Which is the most likely level of accuracy the scale will give for the weight of the pet rabbit, in lb?

• tenths

• hundredths

• thousandths

• ten thousandths

Consider the functions. For 𝒙 > 𝟏𝟎, which function has the largest value when graphed on the coordinate plane?

• Function 1

• Function 2

• Function 3

• Function 4

• (𝑥 − 13)(𝑥 − 13)

• (𝑥 + 13)(𝑥 − 13)

Consider the relation given by the set of ordered pairs. {(−𝟔, 𝟐), (−𝟒, −𝟐), (𝟑, 𝟓), (−𝟒, 𝟑), (𝟐, 𝟓), (−𝟐, 𝟒)} Which ordered pair should be removed so that the relation represents a function?

• (−6, 2)

• (−4, −2)

• (−2, 4)

• (2, 5)