To be a quadratic function the highest power or a variable must be 2, therefor
Final answer:
A. y = x2 - 50
Hope I helped :)
If I am reading the question correctly it would come out to -6x+42 First do all the addition and squaring, then factor in that negative. You come out to -2x^3 +2x^3-4x-2x+25+5+9+3. The x^3's cancel, the -x's add to -6x, then all that other adds to 42.
Sqrt(15) would be irrational
Answer is B
26 gold metals
Explanation: 70 - 18 silver = 52 metals left
52/2= 26 … so 26 + 26= 52 52 + 18=70
Reflection, the quadratic parent function is reflected on the opposite side