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2 answers:
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Answer:
The second one; x²+7x+12
Step-by-step explanation:
So, since the beginning lengths of the square is x and x, the area of the square is x².
But then, you add 3 to one length, so that side is now (x+3), and then you add 4 to the width, so that is now (x+4).
Finally, you would multiply them together to get the equation you would use to find the new area.
For this, you would cross-multiply everything together; the x in the length by the x in the width, the x in the length by the 4 in the width, the 3 in the length by the x in the width, and then the 3 in the length by the 4 in the width. Now, all you have to do is add all of these together to get your answer.
Here's the work:
Answer:
Table 1
Step-by-step explanation:
The slope of a line (m) passing through two points A(x₁, y₁) and B(x₂, y₂) is given by:
m = (y₂ - y₁) / (x₂ - x₁)
a) From table 1, we can select two points. Let us select point (-3, 2) and point (1, 2). Hence the slope is:
b) From table 2, we can select two points. Let us select point (-3, 3) and point (1, -1). Hence the slope is:
c) The graph passes through point (0, 0) and (3,3). Hence:
d) The graph passes through point (-2, 4) and (-2,0). Hence:
