Answer:
A) 2
Step-by-step explanation:
Start off with the given information. The question states that the x-int. is 4, so you should recognize that there is a point at (4,0). Plug the point into the equation.
k(4) + 2(0) + 8 = 0
Now simplify the equation.
4k + 0 + 8 = 0
Isolate the variable, make sure it's on its own side.
4k = 8
Now get the k by itself to solve the equation. Divide both sides by 4.
k = 2
Answer:
y=3
Step-by-step explanation:
5y-2(3)=9
5y-6=9
+6 +6
5y=15
/5 /5
y=3
Answer:
2.B
Step-by-step explanation:
2.
Henry's container holds milk=200*7/8=175 ml
Normally it is x ininput and f(x)=y
solve for y and replace y with f(x)
minus 5x from both sides
2y=10-5x
divide both sides by 2
y=5-2.5x
f(x)=5-2.5x
Answer:
6. 5
7.2
8.6
9.-12
Step-by-step explanation:
