Answer:
C
Step-by-step explanation:
The two values, since they are equal in absolute value and merely differ in being positve or negative, result in a sum of 0
Answer:
(-5, -8)
Step-by-step explanation:









Change 1/4 to a decimal is an exponent by 4 and the answer would be 0.0039
Answer:
8
Step-by-step explanation:
don't ask how I got it I looked it up
Answer:
see below and attached
Step-by-step explanation:
To solve a system of quadratic equations:
- Equal the equations then rearrange so that it is set to zero.
- Use the quadratic formula to solve.
I have done this (see attached workings) but cannot get any of the solutions you've provided. I have even graphed the two functions, and the points of intersection concur with my workings (see attached graph).