Answer:
c. Substitute
Step-by-step explanation:
A graph of the function on the left shows the parabola touches the x-axis at x = -8/3. That is, the vertex is on the x-axis. It crosses the y-axis at y = 64.
<h3>Show a value is a root</h3>
A given solution to an equation can be verified by substituting that value into the equation an showing the result is a <em>true statement</em>. Here, the value x=-8/3 is a root of the given equation because that value makes the equation true.

Answer:
8% decrease
Step-by-step explanation:
First work out the difference decrease between the two numbers you are comparing. Then decrease the original number by the new number.Then divide the original number by the decrease and multiply the answer by 100.Next you divide the original number by the new number and multiply by 100. Finally you will get your answer.
Answer:
perimeter =32x+14
Step-by-step explanation:
perimeter = 19x+7x+6x+14
=26x+6x+14
=32x+14
Step-by-step explanation:
8x+3x-15-5x+20
6x+5
I think correct answer is 6x+5
Answer: Number of winning tickets =7 and Number of losing tickets = 28 .
Step-by-step explanation:
Given: Total tickets = 35
The ratio of winning tickets to losing tickets = 1:4
Number of winning tickets = 

Number of losing tickets = 

Hence, Number of winning tickets =7 and Number of losing tickets = 28 .