Answer:2
26x + y = 23 → y = 23 – 6x.
7x + y = 25 → 7x + (23 – 6x) = 25 → x + 23 = 25 → x = 2
2/3x - 11 = x + 4 | -4
2/3x - 15 = x | - 2/3x
-15 = 1/3x | • 3
-45 = x
Answer:
a) upward
b) x-intercepts at x= -4, -2
y-intercept at y = 8
c) x = -3
d) (-3, -1)
Step-by-step explanation:
after the answer to the other, very similar question you should be really able to do this one.
all is really visible.
please refer to my other answer for more details about the reasons.
A triangle, cut it straight down the middle and you get a triangle
They're both functions because each input has exactly one output