Solve each quadratic equation. show your work. 16. 4x²=100

4x²=100

Note the equal sign. What you do to one side, you do to the other. Do the opposite of PEMDAS.

Divide 4 from both sides

(4x²)/4 = (100)/4

x² = 25

Root both sides to isolate the x

√x² = √25

x = √25

x = 5

5 is your answer

hope this helps

twenty-six miles over two gallons because the proportion for the original 13 miles to one gallon would be written 13/1 and, doing the same thing to the top and bottom, i multiplied by 2 and got 26/2

answer is c

step-by-step explanation:

81/12=324/x

x=48