xxaurorabluexx
04.07.2019 •
Mathematics
Simplify the polynomial expression. 3x(-2x+7)-5(x-1)(4x-3) a. 14x^2-14x+15 b. -26x^2+21x-15 c. -26x^2+56x-15 d. -2x^2+14x-2
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Ответ:
The answer is c. have a good day
Ответ:
Step-by-step explanation:
In analytic geometry, using the common convention that the horizontal axis represents a variable x and the vertical axis represents a variable y, a y-intercept or vertical intercept is a point where the graph of a function or relation intersects the y-axis of the coordinate system. As such, these points satisfy x = 0.
The y-intercept is the point at which a linear equation crosses the y-axis on the x=0 plot point. The equation to determine both the slope and the y-intercept of a line is y=mx+b.