Packet 3 Quiz

Write the equation of the line passing through the point (2, -1) with a slope of -3

HINT: Use y = mx + b to answer this problem.

Which is an equation of the line with a slope of $$\frac{2}{3}$$ passing through the point (4, -1)?

HINT: Use y = mx + b to answer this question.

Write the equation of the line passing through the points (-4, -7) and (8, -13).

HINT: Use y = mx + b to solve this problem.

$$m=\frac{y_2-y_1}{x_2-x_1}$$

Which scatterplot most likely has a line of best fit represented by $$y=3x+1?$$

The graph represents the relationship between the number of candy bars sold and the amount of profit made during the softball team's candy bar sale.

Which is the closest to the minimum number of candy bars that must be sold to make a $400.00 profit?

Which graph shows that y varies directly as x?

Which set of ordered pairs satisfies an inverse variation?
Inverse variation: $$y\cdot x$$

In the table to the left, y varies inversely as x. What is the missing value?

Inverse variation: $$y\cdot x$$

If the point (2, -10) lies on the graph of a direct variation, which represents the direct variation equation?

Direct variation: $$\frac{y}{x}$$