Write an equation of a line in slope-intercept form if the slope is ½ and the y-intercept is -2. a. y = (½)x 2 b. x - 2y = -4 c. y = (½)x - 2 d. 2y = x 4

Y = mx + c

y = (1/2)x + (-2)

y = (1/2)x - 2

C

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.