mandy pose la question : There is a line through the origin that divides the region bounded by the parabola y=4x−5x2y=4x−5x2 and the x-axis into two regions with equal area. What is the slope of that line? Penny Nom lui répond.
Gloria pose la question : Write the equation of a line in standard form through the point (1, 6) and perpendicular to the line 2x –y = 9. Penny Nom lui répond.
Sara pose la question : Line k lies in the xy-plane.
The x-intercept of line k is -4.
And line k passes through the midpoint of the line segment whose endpoints are (2,9) and (2,0).
What is the slope of line k?
Give the answer as a fraction. Penny Nom lui répond.