Question

1.If a number a is always less than another number b, which of the following expressions expresses their relationship?

A.a≤b

B.a≥b

C.a>b

D.a<b

2.Which expression represents the following statement: x is no less than 0.

A.x≤0

B.x≥0

C.x>0

D.x<0

question number 3.3x>9
Which of the following sentences is the word equivalent of the expression above?

A.The product between 3 and a number is no less than 9.

B.The product between 3 and a number is greater than 9.

C.The product between 3 and a number is no more than 9.

D.The product between 3 and a number is less than 9.

4.Which of the following sentences can be expressed by the inequality 16−5x≥1?

A.The difference of 16 and the product of 5 and a number is no less than 1.

B.16 less than the product of 5 and a number is no less than 1.

C.The difference of 16 and the product of 5 and a number is greater than 1.

D.16 less than the product of 5 and a number is greater than 1.

5.The product between 6 and 4 less than x is no more than 20.

Which expression among the following is equivalent to the sentence above?

A.6(4−x)≤20

B.6(x−4)≤20

C.6×4−x≤20

D.x−6×4≤20

Answer 1

#1. well, which symbol means "less than" ?
#2. if not less, than greater or equal, so ...
#3. > means greater, right?
#4. see #2
#5. as #4, but the other direction.

Looks like you need to review inequalities