4 years ago

Find the “missing terms” in the polynomial problems. Answers will have multiple terms.

1 answer:

8 0

<span>1. (c^3 + c^2 - 5) + (-c^3 + 2c - 2 )= c^2 + 2c - 7

</span>2. (2d^2 + d) - (d^3 + 2d^2 - 2d + 1) = - d^3 + 3d - 1

3. ( 3x^4 + x^3 - 4x^2 + x - 3) - (2x^4 - 2x^2 - 3) = x^4 + x^3 - 2x^2 + x

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Simplify the complex fraction.

weqwewe [10]

Okay, so it might be a little difficult to explain it but here we go:
You find the LCD (lowest common denominator) and multiply the top and bottom half of the fraction by the LCD:
(1/x) times xy (since it is divisible by both x and y)
then you do the same for the bottom (2/y) times xy
The x's on the top cancel out leaving you with 1/y
The y's on the bottom cancel out leaving you with 2/x
So now you multiple the top half (numerator) by the reciprocal of the denominator. In other words, multiply (1/y) by (x/2).
The answer is x/2y

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4 years ago

What is the distance between the points (-4, 2) and (3,-5)?

777dan777 [17]

Solution:
We are going to find the distance between points A -4; 2, B 3; -5 :
d = √ (xb - xa) 2 + (yb - ya) 2 =

= √ (3 - (-4)) 2 + (-5 - 2) 2 =

= √72 + (-7) 2 = √49 + 49 =
= √98
= 7√2 ≈ 9.899494936611665

4 0

3 years ago

What is the slope of (6, 5) and (8, 8).

Oduvanchick [21]

Answer:

$\frac{3}{2}$