Ch2L1-Rational Coefficients Practice

Question 1

What is the Inverse Property of Multiplication?

Answer 1

The Product of a number and its multiplicative inverse is 1

example: 7/8 x 8/7 = 1

Check:

step 1: replace the variable in equation with the solution

step 2:check left side value and right side value equal or not

Question 2

what is the coefficient?

Answer 2

The coefficient is the numerical factor of a term that contains a variable;

so the coefficient of term 3x is 3

Check:

step 1: replace the variable in equation with the solution

step 2:check left side value and right side value equal or not

Question 3

how to solve when coefficient is a fraction:

3/4 x = 18

Answer 3

coefficient of the variable term:_____________________

the multiplicative inverse of the coefficient:____________

multiply this inverse on both sides___________________

Solution:__________________

Check:

step 1: replace the variable in equation with the solution

step 2:check left side value and right side value equal?

Question 4

how to solve when the coefficient is a decimal:

3.15 = 0.45x

Answer 4

coefficient is________________

divide coefficient on both sides______________

solution_____________________

Check:

step 1: replace the variable in equation with the solution

step 2:check left side value and right side value equal or not

Question 5

Equation with Decimal Coefficients:

3.15=.045n

Question 6

Equation with Decimal Coefficients

4.9 = 0.7t

Question 7

Equation with Decimal Coefficients

0.75n = 18

Question 8

Equation with Faction Coefficients

1/2 x = 3

Question 9

Equation with Faction Coefficients

3/4 c = 18

Question 10

Equation with Faction Coefficients

-3/4 t = 5

Question 11

Solve the Equation:

0.6 w = 0.48

Question 12

Solve the Equation

-30 = 1.25 c