Nina knows that the average of the x-intercepts represents the line of symmetry for a quadratic function through the x-axis.
Which equation represents the average of the x-intercepts for f(x) = 4x2 - 24x + 20?
0 -5-1-3
0-19-2 - 4
o 175 = 3
© 2+10 = 4

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )