What is an equation of the line that passes through the points (-4,-7) and (2,8)
2 answers:
Answer:
y=5/2x+3 or
Step-by-step explanation:
<u>Step 1:</u>
Compute the slope (-4, -7), (2,8):
m=5/2
<u>Step 2:</u>
Compute the y intercept:
b=3
<u>Step 3:</u>
Add the results together:
y=5/2x+3 or
Hence, the final answer is y=5/2x+3 or
<em>Greetings from Brasil...</em>
One way to solve this question is through determinant
| X Y 1 |
| X₁ Y₁ 1 | = 0
| X₂ Y₂ 1 |
We have:
(X₁; Y₁) = (-4; -7)
(X₂; Y₂) = (2; 8)
then
| X Y 1 |
| -4 -7 1 | = 0
| 2 8 1 |
<h3>- 15X + 6Y - 18 = 0</h3>________________________________
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AC # A'B'
Step-by-step explanation:
While solving the above problem one must keep in mind that
- Reflection along Y-axis would just make the rectangle upside down at the same distance from X-axis in the down direction.
Thus, from the figure it becomes clear that
- AB ∦ B’D’
- CD║A’B’
- BD ∦ C’D’
Only statement that comes out true is the third statement which states that AC is not parallel to A’B’
Since the diagonal of a rectangle can not be parallel to one of its side (though the side in question is side of the same rectangle reflected in y axis)
