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Find the equation of the line through the point (8, −1) and perpendicular to the graph of the line 2x + 3y = 21. Write the equation in slope intercept form.
Claire purchases a new washing machine on a clearance sale for $259. If the clearance price was 65% off the original price, what was the original price of the washing machine?
Solve the following system of linear equations. Present your solution
as an ordered pair (x, y).
For
a = -1 b = 2 c = 8
- (1 pt) concavity: Graph will be ‘concave down’ (an inverted “U”).
(2 pts) vertex of the parabola:
(2 pts) y intercept:
(3 pts) x intercepts of the parabola, if any:
- (2 pts) sketch the graph of the parabola.
