1.4-1.5 review

Is x = 4 a solution to:

 

10x - 5 = 35

 (answer yes or no)

Is x = 4 a solution to:

 

x ÷ 4 = 0

 (answer yes or no)

Is x = 4 a solution to:

 

x2 + 5 = 21

 (answer yes or no)

Is x = 20 a solution to:

 

3x > 50

 (answer yes or no)

Is x = 20 a solution to:

 

10 + x < 30

 (answer yes or no)

Is x = 20 a solution to:

 

40 + 3x ≥ 100

 (answer yes or no)

Is x = 20 a solution to:

 

x ÷ 5 ≤ 5

 (answer yes or no)

Is x = 20 a solution to:

 

80 ÷ x ≥ 5

 (answer yes or no)

Is x = 20 a solution to:

 

x ÷ 5 - 2 ≤ 5

 (answer yes or no)

Hint:  becareful of the

order of operations!

Translate into a math expression, equation

or inequality.

 

5 less than a number x

Translate into a math expression, equation

or inequality.

 

The difference between x and 5

Translate into a math expression, equation

or inequality.

 

5 is less than a number x

Translate into a math expression, equation

or inequality.

 

The product of 10 and x is 50.

Translate into a math expression, equation

or inequality.

 

16 more than x is greater than 35.

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