How do you evaluate the expressions 2y2−5y given x=3 and y=5?

Step 1 The expression now looks like this: 2(5)2−5(5) Next, solve: 2(5)2=50 −5×5=−25 We now have 50−25, or -2

"How do you evaluate the expressions 2y2−5y given..." solved and explained

Ishaan Mcneil

2022-02-03

How do you evaluate the expressions

\frac{2 y^{2}}{- 5 y}

given

x = 3

and

y = 5

Kristin Ferrell

Beginner2022-02-04Added 9 answers

Step 1
The expression now looks like this:

\frac{2 {(5)}^{2}}{- 5 (5)}

Next, solve:

2 {(5)}^{2} = 50

- 5 \times 5 = - 25

We now have

\frac{50}{- 25}

, or -2

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