What is the solution of the system of equations shown below? y = 4x + 4 y
= x^2 - 5x + 18 *
2 answers:
Answer:
(7, 32) and (2, 12)
Step-by-step explanation:
y = 4x + 4
y = x² - 5x + 18
4x + 4 = x² - 5x + 18
x² - 9x + 14 = 0
14 = (-7)(-2)
-9 = -7 + (-2)
(x - 7)(x - 2)=0
x= 7, x = 2
For x = 7
y = 4x + 4 = 4*7 + 4 = 32
(7, 32)
For x = 2
y = 4x + 4 = 4*2 + 4 = 12
(2, 12)
Check:
y = x² - 5x + 18
(7, 32)
32 = 7² - 5*7 + 18
32= 32 true
(2, 12)
12 = 2² - 5*2 + 18
12 = 12 true
Answer:
(7, 32) and (2, 12)
Step-by-step explanation:
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Answer:
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Step-by-step explanation:
Answer:
a = (r/x) -b
x = -14
Step-by-step explanation:
r=x(a+b)
Divide each side by x
r/x = a+b
Subtract b
r/x -b = a
x/2=-7
Multiply each side by 2
x/2*2 = -7*2
x = -14
Answer:
2
Step-by-step explanation:
The line is at 2. Everything below that is shaded in.
So y is less than 2.
Answer:
a) 3/5=12/20
b)5/6=25/30
