Can someone help me with this problem
1 answer:
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Here we are given the x intercepts at x=3 and x=9
So let us try to make quadratic equation for this using given information.
We have factors in the form (x-a)(x-b)
where a and b are x intercepts given to us.
So rewriting in factored form:
Now let us simplify it:
Let us find the vertex now,
For a quadratic equation of the form:
For x coordinate , we have the formula,
So using this formula for our equation,
So x = 6
Answer: The x-coordinate of the parabola's vertex is 6.
Answer:
cups plaster of paris.
Step-by-step explanation:
Given:
for one batch of sidewalk chalk = cup plaster of paris.
Number of bathes = 3
We need to find quantity of plaster of paris.
Solution:
For making 1 batch of sidewalk chalk = cup plaster of paris.
For making 3 batches of sidewalk chalk = cup plaster of paris.
Therefore, he needed cups plaster of paris.
