Chapter 3: Linear Functions

Horatio is purchasing a computer cable for $15.49. If the sales tax rate in his state is 5.25%, what is the total cost of the purchase?

A. $16.42
B. $16.30

C. $15.73

D. $15.62

The equation to convert Celsius temperature C to Kelvin K is shown.

1. State the independent and dependent variables. Explain.
2. Determine the C- and K-intercepts mean in this situation.

Graph each ordered pair on a coordinate grid.

$(-3,3)$

Determine whether each equation is a linear equation. Write yes or no. If yes, write the equation in standard form.

$y=-4x+3$

State whether each sentence is true or false. If false replace the underlined word or number to make a true sentence.

The x-coordinate of the point at which the graph of an equation crosses the x-axis is an x-intercept.

State whether each sentence is true or false. If false, replace the underlined word or number to make a true sentence.

In the linear equation$4x+3y=12$,the constant term is 12.

Find the slope of the line that passes through each pair of points.

$\left(5,8\right),\left(-3,7\right)$

Write the ordered pair for point D.

Find the root of each of each equation.

$4x-24=0$

Write the ordered pair for point F.