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4 years ago

The algebra tiles represent the perfect square trinomial x2 + 10x + c. What is the value of c?

Mathematics

2 answers:

olchik [2.2K]4 years ago

7 0

Answer:

Step-by-step explanation:

san4es73 [151]4 years ago

4 0

Answer:

the value of c= 25

Step-by-step explanation:

The algebra tiles represent the perfect square trinomial x^2 + 10x + c

To get perfect square trinomial we apply completing the square method

In completing the square method we take half of the coefficient of middle term and then square it

10/2= 5

5^2 = 25

25 make the expression a perfect square trinomial

x^2 + 10x+ 25

so , the value of c= 25

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Answer:

<u>Question 3</u>

Given expression:

$\sf \left(\dfrac{-8}{9} \times \dfrac{1}{-5}\right)+\left(\dfrac{-8}{9} \times \dfrac{-7}{11}\right)$

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<u>Question 4</u>

To calculate the amount of money Rajni had to begin with, sum the three amounts she spent:

$\sf \implies total=10\frac14+25\frac34+16\frac12$

As $\sf a\frac{b}{c}=a+\frac{b}{c}$ , then:

$\sf \implies 10+\frac14+25+\frac34+16+\frac12$

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$\sf \implies (10+25+16)+\frac14+\frac34+\frac12$

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