Answer:
slope= 4,
Step-by-step explanation:
y = 4x-6
The cuic equation is -1 and 2i
Answer: a burger is $5.25, fries are $1.50
b = burger, f = fries
3b + 3f = 20.25
5b + 8f = 38.25
First, solve for b in terms of f
3b = 20.25 - 3f
b = 6.75 -f
Then substitute that for b in the other equation to solve and get a numerical value for f.
5(6.75 -f) + 8f = 38.25
33.75 -5f +8f = 38.25
33.75 + 3f = 38.25
3f = 4.5
f = 1.5
Now substitute that in to get a numerical value for b
b = 6.75 - 1.5
b = 5.25
Checking the math:
3b + 3f = 20.25
3(5.25) + 3(1.5) = 15.75 + 4.5 = 20.25
Answer:
Step-by-step explanation:
Actually, g(t) = -5(x – 3) is a linear function: g(t) = -5x + 15. Its graph is a straight line with slope -5 and y-intercept (0, 15).
Let x = greater number
y = smaller number
(1)

(1)

(2)

We'll substitute y in (1) to (2)
(2)

x - 9 = 0 or x + 3 = 0
x = 9 x = -3
and
y = x - 6 y = x - 6
y = 9 - 6 y = -3 - 6
y = 3 y = -9
Therefore, the two numbers can be 9 and 3 or -3 and -9.