(x) = ax 2 + bx + c has a negative leading coefficient and the vertex that has a negative y-coordinate. Determine the number of
real zeros of the function.
1 answer:
The number of real zeroes are the x intercepts or where the graph touches the x axis
negative leading coeficnet means it opens down
negative y coordinate means that the highest point is below the x axis
since it opens down and it is below the x axis, there is no x intercept or real solution (see attachment)
thereforr there are no real roots, there are zero real roots, nada, zip
negative leading coeficnet means it opens down
negative y coordinate means that the highest point is below the x axis
since it opens down and it is below the x axis, there is no x intercept or real solution (see attachment)
thereforr there are no real roots, there are zero real roots, nada, zip
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EXPLANATION
We want to write the point-slope form of the line that passes through (6, 1) and is perpendicular to a line with a slope of -3.
The slope of this line is negative reciprocal of -3.
The point-slope form is given by:
We substitute the point and the slope to get;