Answer:
f(-3) = -4
Step-by-step explanation:
f(-3) = -(-3) - 7
= 3 - 7
= -4
Answer:
There are 6 units between (-4, 9) and (-4, 3)
idk what the answers are for the others sorry
Step-by-step explanation:
yus
Positive slope- two variables are positively related; that is when x increases, so does y and when x decreases, y decreases also.
negative slope- two variables are negatively related; that is when x increases, y decreases and when x decreases, y increases.
x-intercept- the x-coordinate of a point where a line, curve, or surface intersects the x-axis.
y-intercept- the y-coordinate of a point when a line, curve, or surface intersects the y-axis.
Answer:
c
Step-by-step explanation:
i did it in a test and i used a calculator
Answer:
Step-by-step explanation:
4x+2y = -24 -------------(i)
<u> -4x+y = 12 -</u>------------(ii)
add (i) &(ii) 3y = -12
y = -12/3
y = -4
Put y = (-4) in (i)
4x + 2*(-4) = -24
4x - 8 = -24
4x = -24 + 8
4x = -16
x = -16/4
x = -4
