STAAR Algebra I describing and graphing linear functions quiz quiz

What is the slope of the line through $(-3, 4)$ and $(1, -8)$?

A car's value drops at a constant rate. After 1 year it is worth $18,000; after 4 years it is worth$12,000. What is the rate of change?

What is the $x$-intercept of $2x + 5y = 20$?

What are the slope and $y$-intercept of $y = -\dfrac{3}{4}x + 6$?

What is the slope-intercept equation of the line through $(0, 2)$ with slope $-5$?

What is the equation, in slope-intercept form, of the line through $(2, 3)$ and $(5, 12)$?

Which line is parallel to $y = \dfrac{2}{5}x - 1$?

Which slope is perpendicular to a line with slope $-\dfrac{1}{3}$?

The variable $y$ varies directly with $x$. When $x = 5$, $y = 35$. What is $y$ when $x = 8$?

Which describes the graph of $y > 3x - 2$?

Is the point $(1, 2)$ a solution of $4x - y \ge 1$?

A scatterplot shows points falling tightly along a line as $x$ increases. The correlation is best described as

A trend line passes through $(0, 30)$ and $(10, 70)$. What does it predict when $x = 15$?