Solve the system of equations by elimination. Show all work neatly on your work page. Checking your answer is wise. :)
1 answer:
Answer:
x=2
y=-8
Step-by-step explanation:
6x+3y=-12
-6x-2y=4
3y=-12-6x
y=(-12-6x)/3
y=-4-2x
substitute y
-6x-2(-4-2x)=4
-6x+8+4x=4
-2x=-4
x=2
6(2)+3y=-12
12+3y=-12
3y=-24
y=-8
check:
6(2)+3(-8)=-12
12-24=-12
-6(2)-2(-8)=4
-12=16=4
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Step-by-step explanation:
because 2 times 1 is 2 or any number multiplied by 1 is itself
Both sides aren't equal because 1-sin^2x = cos^2x and cos^2x / 1+cosx can never equal cosx
Answer:
f(x) = x³ - 2x²
=>
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Hope this helps!
:)
Hope this help!!!
Have a nice day!!!
C.7/20
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