Part B: It would be 8x+24. You get 4x+12 and double(times 2) it, it would be 8x+24.
Part C: Yes, because the relationship between the ratio would always be proportional.
6.4/52.032=0.123
52.032/6.4=8.13
<span>y = 3x - 4
</span><span>(4,2); when x = 4; y = 3(4) - 4 = 9 ........FALSE
(1, -1)</span>; when x = 1; y = 3(1) - 4 = -1 ........TRUE<span>
(-1, -7)</span>; when x = -1; y = 3(-1) - 4 = -7 ........TRUE<span>
(2, 2)</span>; when x = 2; y = 3(2) - 4 = 2 ........TRUE
answer
(1, -1)
(-1, -7)
(2, 2)
You can split it into two triangles and find the area of both triangles and later add them up.
A = bh/2
Triangle 1:
3*3 = 9
9/2 = 4.5
Triangle 2:
3*3 = 9
9/2 = 4.5
4.5 + 4.5 = 9
Answer: The area of the parallelogram is 9 cm^2
Hope this helps :)
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