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s2008m [1.1K]
3 years ago
6

What is the equation of the line through (4, 5) and (0, -3)?

Mathematics
1 answer:
madam [21]3 years ago
5 0

Answer: A. y= 2x-3

Step-by-step explanation: APEX,

Slope intercept equation of a line:

y = mx + b

(0, -3) is the y-intercept, so b = -3

We have

y = mx - 3

Now we use the two points to find the slope.

slope = m = (-3 - 5)/(0 - 4) = -8/(-4) = 2

y = 2x - 3

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3 years ago
A rectangle has a height of a² + 3 and a width of a² + 2a + 5.
valentina_108 [34]

Answer:

Area =  a^4+2a^3+8a^2+6a+15

Step-by-step explanation:

The area of a rectangle is given by:

Area = Height * Width

The expressions for height and width are given. We just need to multiply and add like terms (if applicable) to find the expression for the area of the rectangle.

Remember to use distributive property:

(a+b)(x+y) = ax + ay + bx + by

Thus, we have:

(a^2+3)(a^2+2a+5)\\=(a^2)(a^2)+(a^2)(2a)+(a^2)(5)+3a^2+6a+15\\=a^4+2a^3+5a^2+3a^2+6a+15\\=a^4+2a^3+8a^2+6a+15

THis is the expression for area.

5 0
3 years ago
What are you required to do when you want to use a discount membership to save money?
solong [7]
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3 years ago
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lidiya [134]

Answer:

parallelogram, quadrilateral

Step-by-step explanation:

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example= 
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3 years ago
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