The price of a car has been reduced from $15,000 to $9,000. What is the percentage decrease of the price of the car?
1 answer:
Answer:
<em>% is the decrease.</em>
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Step-by-step explanation:
<em>To figure out the percentage decrease, you would first subtract the two numbers. </em>
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<em>Next, you would divide that number by the total.</em>
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<em /><em>% </em><em>would be the decrease percentage. </em>
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Answer:
See photo below
Add arrows to the two ends of the parabola.
Step-by-step explanation:
To sketch this quadratic function, we to connect three dots: the two roots and a vertex.
The given roots are -1 and 1.
Draw <u>two dots at the x-intercepts</u>, which are (-1, 0) and (1, 0).
Vertex dot: V (x, y)
The vertex x-coordinate always in the middle of the two roots. The middle of -1 and 1 is 0. That's the same as the y-axis.
V (0, y)
Since the function increases when x < 0, the parabola will <u>open up</u>.
We read from left to right. The greater numbers are towards the top of the page.
<u>You can put the vertex anywhere on the y-axis that is below the x-axis.</u>
