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
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1 answer

#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
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