Quiz about Quiz 3.3 Slope-Intercept Equations

Question 1

Analyze the graph. Find the slope-intercept equation of the linear function displayed.

Accepted Answer

$$y\ =\ x+2$$

Answer

$$y\ =\ x-2$$

Answer

$$y=2x+2$$

Answer

$$y=-x+2$$

Answer

$$y=4x-2$$

Question 2

What is the structural form of a slope-intercept equation for a linear function?

Accepted Answer

$$y=mx+b$$

Answer

$$x=my+b$$

Answer

$$y=bx+m$$

Answer

$$m=bx\ +\ y$$

Answer

$$y=ax^2+bx+c$$

Question 3

Analyze the graph. If the slope of the linear function is $$-2$$ , what is its y-intercept?

Accepted Answer

$$\left(0,\ 6\right)$$

Answer

$$\left(3,\ 0\right)$$

Answer

$$\left(6,\ 0\right)$$

Answer

$$\left(0,\ -3\right)$$

Answer

$$\left(0,\ 7\right)$$

Question 4

What is the slope-intercept equation of a linear function with $$b=-3$$ and $$m=5$$ ?

Accepted Answer

$$y=5x-3$$

Answer

$$y=-5x+3$$

Answer

$$y=-3x+5$$

Answer

$$y=3x-5$$

Answer

$$y=\frac{-3}{5}x+1$$

Question 5

Analyze the graph. What is the slope-intercept equation of the function?

Accepted Answer

$$y=-x+4$$

Answer

$$y=4x+4$$

Answer

$$y=-4x+4$$

Answer

$$y=-x-4$$

Answer

$$y=x-4$$

Question 6

Analyze the equation. $$m=\frac{rise}{?}=\frac{\Delta y}{\Delta x}=\frac{y_2-y_1}{x_2-x_1}$$ The missing term $$?$$ is ___.

Accepted Answer

$$run$$

Answer

$$walk$$

Answer

$$jump$$

Answer

$$roar$$

Answer

$$rinse$$

Question 7

What is the y-intercept of the linear function shown in the graph?

Accepted Answer

$$\left(0,\ -2\right)$$

Answer

$$\left(-2,\ 2\right)$$

Answer

$$\left(-1,\ 0\right)$$

Answer

$$\left(-2,\ 0\right)$$

Answer

$$\left(1,\ -4\right)$$

Question 8

What is the x-intercept of the linear function displayed in the graph?

Accepted Answer

$$\left(2,\ 0\right)$$

Answer

$$\left(-2,\ 4\right)$$

Answer

$$\left(0,\ 2\right)$$

Answer

$$\left(1,\ 1\right)$$

Answer

$$\left(4,\ -2\right)$$

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