Answer:
Y =
+ 2.5
Step-by-step explanation:
This is the only valid answer for the slope.
Slope = 
Answer:
Acute
Step-by-step explanation:
The angle appears to be less than 90 degrees making it an acute angle. Angles above 90 degrees are obtuse angles.
Answer:
The y intercept is -21
Step-by-step explanation:
y = (x - 3)(x + 7)
To find the y intercept, set x =0 and solve for y
y = (0-3) (x+7)
y = -3*7
y = -21
The y intercept is -21
I'm sorry, but I'm a bit confused on what you're trying to ask. Could you please clarify?