Answer:
A figure has rotational symmetry if it can be rotated by an angle between 0° and 360° so that the image coincides with the preimage.
Step-by-step explanation:
Answer:
(1,-1)
Step-by-step explanation:
Answer:
9x2−x4+y(x2+9)2x(x2+9)2
Step-by-step explanation:
Answer:
3.74165738677
Step-by-step explanation:
First you want to write 7x as a sum or difference: 15x-8x
Now, the expression would look like this: 10x^2+15x-8x-12
Next, factor out the 5x and -4 from the expression: 5x(2x+3)-4(2x+3)
Now, factor out the 2x+3 from the expression and you have your answer:
(2x+3)(5x-4)