Imaginary number is one that when squared gives a negative result. ... With imaginary numbers, when you square them, the answer is negative. They are written like a real number, but with the letter i after them, like this: 23iThe letter i means it is an imaginary number.
To find the area of a triangle, multiply the base by the height, and then divide by 2. The division by 2 comes from the fact that a parallelogram can be divided into 2 triangles. For example, in the diagram to the left, the area of each triangle is equal to one-half the area of the parallelogram.
Answer:
circumference is πd
d=112mm
22/7*112
=352mm
Step-by-step explanation:
You use elimination the get x=5 and then plug it in to get y=0 so the coordinate is (5,0)
Y=-x^2 is just y=x^2 reflected over the x-axis. In other words, the parabola is upside-down.