The sum of the roots of x² + 6x - 55 = 0 is:
6
-6
-55

~sum and product of roots~

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

The approximate line of best fit for the given data points, y = −2x − 2, is shown on the graph. which is the residual value when x = –2? a)–2 b)–1 c)1 d)2

The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|