3 years ago

Determine if the expression -a^3b^5 is a polynomial or not. If it is a polynomial, state

Mathematics

1 answer:

Dmitry_Shevchenko [17]3 years ago

5 0

I think so and degree of 5

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Prime or composite23 28 33 38

Mice21 [21]

23 is prime, 28 is composite, 33 is composite, 38 is composite

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3 years ago

Read 2 more answers

8(x-1) >12-2x

Shalnov [3]

Answer: x>2

Step-by-step explanation:

$8(x-1) > 12-2x\\\\8x-8 > 12-2x\\\\10x-8 > 12\\\\10x > 20\\\\x > 2$

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2 years ago

Reduce to lowest term. 2x^2- 18/x^2+4x-21

Dovator [93]

Answer:

$\frac{2(x+3)}{x+7}$

Step-by-step explanation:

Given

$\frac{2x^2-18}{x^2+4x-21}$ ← factorise numerator and denominator

2x² - 18 ( factor out 2 from each term )

= 2(x² - 9) ← difference of 2 squares

= 2(x - 3)(x + 3)

and

x² + 4x - 21 = (x + 7)(x - 3) , then

= $\frac{2(x-3)(x+3)}{(x+7)(x-3)}$ ← cancel common factor (x - 3) on numerator/ denominator

= $\frac{2(x+3)}{x+7}$

6 0

3 years ago

A line passes through the points (5, –8) and (6, 2). What is the slope?

Andreyy89

Answer:

use cymath it really helps with finding slopes

Step-by-step explanation:

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3 years ago

Complete the equation of the line through <br> (3,−1) (4,7)

user100 [1]

Answer:

Step-by-step explanation:

(3,−1) (4,7)

Slope = y₂-y₁/x₂-x₁

= 7- [-1]/4-3

=7+1/1 = 8/1

= 8

m = 8 ; (4,7)

y-y₁= m(x-x₁)

y - 7 = 8 * (x - 4)

y -7 = 8x - 32

y = 8x - 32 + 7

y = 8x - 25

6 0

4 years ago