Can someone explain how to do this? i don't understand why f(x) = 2/3x + 4/3 is an answer

What are the soultion(s) to the quadratic equation 40- x^2=0

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is:

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10