Question

solve 5x^2=15, need x= and x-intercepts

Answer 1

first, divide by 5
x^2=3

Answer 2

the square root both sides

Answer 3

x=+/-squareroot 3

Answer 4

it is both plus and minus because you are taking the square root

Answer 5

\[x ^{2}=15/5\]
\[x=\sqrt{3}\]
x intercept is zero . put x=0 in the eqn

Answer 6

add plus or minus before sq root

Answer 7

x_1,_2 = +/- radical 3