What is the equation, in point-slope form, for a line that goes through (8, −4)) and has a slope of −56 ?

1)y+4=−56(x−8)

2)y+4=−56(x+8)

3)y−4=−56(x−8)

4)y−4=−56(x+8)

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Which is the graph of this function 3 square root of x plus one if