According to your image which has a diagram where 2 planes are both perpendicularly attached to each other. So base on your diagram I conclude that the answer is C. There are two segments along the planes intersect. I hope i answered your question
1. True.
2. False. x² + 4 = (x+2)(x-2)
3. True.
4. False. It gives (x²-9) which is a binomial.
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We have two coordinates here: (2, 225) & (5, 480)
Now, Calculate for the Slope:
m = y2-y1 / x2-x1
m = 480-225 / 5-2
m = 255/3
m = 85
y - y1 = m(x - x1)
y - 225 = 85(x - 2)
y - 225 = 85x - 170
y = 85x + 55
8x - y = -55 [ Final Equation in the standard form ]
B.) F(x) = 85x + 55
C.) For x=1, F(x) = 85(1) + 55 = 140
For x = 2, F(x) = 85(2) + 55 = 225
For x = 3, F(x) = 85(3) + 55 = 310
In short, Your Coordinates for the Graph would be: (1, 140) (2, 225), (3, 310)...
Hope this helps!
There are two sides 9 x 5
Two sides are 5 x 3
Two sides are 9 x 3
Surface area :
2 x 9 x 5 = 90
2 x 5 x 3 = 30
2 x 9 x 3 = 54
Total: 90 + 30 + 54 = 174 square inches
Well you solve the inequality:
y + 2 > 8
- 2
y > 6
And so the number, I presume, is 6
Hope this helped!
