Linear Equations

Solve for x: 4x+2 = -4 - 2x

• 1

• 3

• -3

• -1

Solve:
7x + 19 = -2x + 55

• 4

• 14.8

• 8.2

• -4

In the expression 3m + 8, the number 8 is called the ____________.

• constant

• variable

• coefficient

• answer

In the expression 3m + 8, the number 3 is called the ____________.

• variable

• constant

• coefficient

• answer

In the equation 4c + 8 = 14, c is the ______________.

• constant

• coefficient

• calculation

• variable

• x = 15

• x = 10

• x = 20

Solve:
2(2x + 3) = -6(x + 9)

• 2

• 6

• -6

• 7.5

Solve for x:
3(5x + 10) + 10 = 6x - (x + 10)

• 3

• -3

• -5

• 5

Look at the table. Which equation best models the data?

• f(x) = -4x + 1

• f(x) = 2x - 8

• f(x) = -12x + 3

• f(x) = 2x + 2

The monthly cost of renting a laptop is shown in the graph. Which equation best represents the cost, y, of renting the laptop for, x, months?

• y = 45x

• y = 35x + 45

• y = 65x + 45

• y = 20x + 45