An equation of a line through (0, 0) which is perpendicular to the line y=-4x + 3 has slope:

and y-intercept at:

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

Solve the equation by completing the square. x^2+2x=17

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price