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3 years ago

Solve for x. Write the smaller solution first, and the larger solution second.

Mathematics

1 answer:

Shkiper50 [21]3 years ago

5 0

Answer:

Step-by-step explanation:

x^2 + 3x - 10 = 0

(x - 2)(x + 5) = 0

x - 2 = 0 x + 5 = 0

x = 2 x = -5

smaller x = -5

larger x = 2

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What is the distance between points A(2,9) and B(-2,6)? Round to the nearest whole number.

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Answer:

The answer is 5

Step-by-step explanation:

Use pythagorean theorem. $\sqrt{3^{2}+ 4^{2} } =5$

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3 years ago

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2 years ago

Which of the lists of letters all have line symmetry?

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The first row

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3 years ago

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Find the mean 3,4,4,2,5,7,2

stich3 [128]

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2 years ago

Select the polynomial that is a perfect square trinomial. 36x2 − 4x 16 16x2 − 8x 36 25x2 9x 4 4x2 20x 25.

Naya [18.7K]

The polynomial a,b,c,are not perfect square polynomial and the polynomial d is perfect square polynomial.

The given polynomial is

$a) 36x^2-4x+16$

What is the form of perfect square polynomial?

$(ax+b)^2$

we solve this method by using perfect square method

add and subtract 1/9

$36x^2-4x+16+\frac{1}{9}-\frac{1}{9}$

factor 36

$\frac{143}{9}+36(x^2-\frac{x}{9}+\frac{1}{324} )$

Now complete the square

$\frac{143}{9}+36(x^2-\frac{1}{18})^2$

Therefore this is not perfect square trinomial.

Similarly for

$b) 16x^2-8x+36$

Complete square is,

$16(x-\frac{1}{4})^2+35$

This polynomial is also not perfect square trinomial.

$c) 25x^2+9x+4\\$

complete square is,

$25(x+\frac{9}{50})^2+\frac{319}{100}$

This polynomial is not perfect square trinomial.

$d)4x^2+20x+25\\$

complete square is,

$(2x+5)^2$

This polynomial is perfect square trinomial.

Therefore,

The polynomial a,b,c,are not perfect square polynomial and the polynomial d is perfect square polynomial.

To learn more about perfect square trinomial visit:

brainly.com/question/1538726

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2 years ago