White a multiplication equation and a division equation that compare the number of points derek acored durin game 1(x) to the nu
mber of points derek scored during game 4 (y)
1 answer:
The correct question is:
The graph attached shows the number of points Derek scored
during his first five basketball games.
Write a multiplication equation and a division equation that compare the number of points Derek scored during Game 1 (x) to the number of points Derek scored during Game 4 (y).
Answer:
Multiplication equation is y = 3x
Division equation is x = y/3
Step-by-step explanation:
During Game 1, Derek had 6 points
Let x be this point, that is
x = 6
During Game 4, he had 18 points
Let y be this point, that is
y = 18
Notice that he has three times as many point in Game 4 as he had in Game 1. (Because 18 is 6 × 3)
This can be written mathematically as
18 = 6 × 3
y = x × 3 (where y is 18, and x is 6)
y = 3x (this is multiplication equation)
If you divide both sides by 3, we have
x = y/3 (this is the division equation)
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Answer:
substitute that value for x in the polynomial and see if it evaluates to zero
Step-by-step explanation:
A "zero" of a polynomial is a value of the polynomial's variable that make the expression become zero when it is evaluated. As an almost trivial example, consider the polynomial x-3. The value x = 3 is a zero because substituting that value for x makes the expression evaluate as zero.
3 -3 = 0
___
Evaluating polynomials can be done different ways. Straight substitution for the variable is one way. Using synthetic division by x-a (where "a" is the value of interest) is another way. This latter method is completely equivalent to rewriting the polynomial to Horner form for evaluation.
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