Question
Examine the following equation:
y = -2x^2 + 20x + 1
* What shape does the graph of this equation make? (Hint: You should be able to tell just by looking at the first term of the equation.)
* Does the graph open up or down (Hint: You should also be able to answer this just by looking at the first term of the equation.)
y = -2x^2 + 20x + 1
* What shape does the graph of this equation make? (Hint: You should be able to tell just by looking at the first term of the equation.)
* Does the graph open up or down (Hint: You should also be able to answer this just by looking at the first term of the equation.)
Answers
drwls
The equation describes an upside-down parabola, opening down.
Plotting the graph yourself should help you visualize the situation. Words can be confusing.
Plotting the graph yourself should help you visualize the situation. Words can be confusing.