The y-intercept is at 6.
The slope of the line is 2/3.
The answer is y = 2/3x + 6, so the 3rd option is correct.
Answer:
144 streetlights
Step-by-step explanation:
1.5 is equivalent to 1/2
it takes 8- 1/2's to equal 4 whole miles
18x8= 144
Answer:
y=12x+22 is linear but not proportional
Step-by-step explanation:

This is a linear equation because it has an x and y within the expression without exponents or other complex operators. We can rearrange and simplify the equation into slope-intercept form.

This linear equation follows the form y=mx+b where m is the slope and b is the y-intercept. For this function, m=12 and b=22. This is not a proportional relationship because the function's y-intercept is something other than 0.
The slope is: -0.6
The Y-Intercept is: -3.4
Answer:
y = -(x + 5)² + 4
Step-by-step explanation:
The roots are -3 and -7, so:
y = a (x + 3) (x + 7)
Distribute and complete the square:
y = a (x² + 10x + 21)
y = a (x² + 10x + 25 − 4)
y = a (x² + 10x + 25) − 4a
y = a (x + 5)² − 4a
The vertex is (-5, 4), so a = -1.
y = -(x + 5)² + 4