Week Review

What is the equation of the line that passes through point (0, 7) and has a slope of -2?

• $𝑦=−2𝑥−3$

• $𝑦=−2𝑥+3$

• $𝑦=7𝑥−2$

• $𝑦=−2𝑥+7$

What is the equation of the line whose slope is -1 and whose y – intercept is -5?

• $y=-x\ -5$

• $y=-5x-1$

• $y=-x+5$

• $y=5x+1$

The linear function 4x - 2y = -16 written in y = mx + b is:

• $y=-8x$

• $y=2x+8$

• $2x+y=-6$

• $y=-2x-8$

Which equation represents the line shown on the coordinate plane? 

•  $𝑦=\frac{2}{5}𝑥−2$  

•  $𝑦=\frac{2}{5}𝑥+5$  

•  $y=-\frac{2}{5}𝑥+5$  

•  $𝑦=−\frac{2}{5}𝑥−2$  

 What is the equation of the line that passes through the points 

(-2, 6) and (0, -2)? 

•  $y=-2x–4$  

•  $y=-4x-2$  

•  $y=-\frac{2}{3}x-2$  

•  $y=-2x\ –\ 2$  

The temperature outside is currently 68°F and falling at a steady rate of 4 degrees every hour. Write a linear equation that relates the Fahrenheit temperature, F, to the time in hours, t, it has been falling.

• F = -4x + 68

• F(t) = -4t + 68

• F(t) = 4t + 68

• F(t) = 4x + 64

Which value is the y-intercept in the equation:

y= 2x -2

• 2

• -2

• 1

Which value is the slope in the equation:

y= 4x + 2

• 4

• 2

• x

Which equation is in Slope Intercept Form

• m=x-b

• y=b+x

• y=mx+b

• y=bx+m

b stands for the _____________ in the equation

• y-intercept

• Slope

• x-intercept