The slope of the line below is -5. Which of the following is the point-slope form of the line? A. y + 7 = 5(x-2)
B. y + 7 = -5(x - 2)
C. y - = -5(x + 2).
D y= 5(x + 2)

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b