To find the slope, graph the points they give on the question. Then make a right triangle connecting the points. To find the slope divide the rise/run. The rise is how many down from the top point to the second and the run is how many across. Divide those 2 numbers you find. To tell if it is negative or positive, look at the line. If it goes from left to right, it is negative. But if it goes right to left than it is positive. I hope this helps! If you have any more questions let me know! I am going over this in class now and have gotten the hang of it.
B) Side length of B to side length of C is 4:5.
Perimeter of C is 280, so let's put that into the side length of C's place:
4:280
But the 4 also would have to change so let's figure out how much we multiplied 5 by to get 280:
280 / 5 = 56
So let's do 4 x 56 = 224
Our new ratio is 224:280
Therefore the perimeter of mirror B is 224cm.
C) Side length of A to side length of B is 3:4.
We know the perimeter of B from the previous part (224) so let's put that in the 4s place:
3:224
But we also have to change 3, so let's figure out how much we multiplied 4 by to get 224:
224 / 4 = 56
Therefore to determine A's perimeter we do 3 x 56 = 168.
Mirror A's perimeter is 168cm.
D) The side length of mirror A is the perimeter divided by 4 (as they are squares).
168 / 4 = 42. Side length of mirror A is 42cm.
E) Area of a square is side length squared, so the area of mirror A is 42².
42² = 1,764cm².
Answer:
1 1/18
Step-by-step explanation:
The highest power of the variable in the polynomial is 4. Therefore, the degree of the polynomial is 4.
