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3 years ago

What is the slope of the line represented by the equation y+3=-4(x-5)

Mathematics

2 answers:

jekas [21]3 years ago

7 0

Correct choice is, D. 4

ziro4ka [17]3 years ago

6 0

Y + 3 = -4(x - 5) is in point slope form.
Point slope form (attachment)

In slope intercept form, or y = mx + b, we know that m represents the slope and b represents the y-intercept.

In the equation you mentioned in your question, -4 is the slope.
The ordered pair would be (5, -3).

The answer is A. -4.

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2 years ago

Look at the attached image to find the problem. Please explain to me how you got both of the answers.

bogdanovich [222]

Answer: Sample space for:

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3 0

3 years ago

PLEASE HELP BRAINLY - which option is correct?

LuckyWell [14K]

Answer:

$y > \frac{2x}{3} + 1$

Step-by-step explanation:

Given:

The graph in the attachment where the coordinates are (3,3) and (-3,-1)

Required:

Which inequality represent the graph

The first step is to determine the slope of the graph

$m = \frac{y_2 - y_1}{x_2 - x_1}$

Where m represents the slope, $(x_1, y_1) = (3,3)$ and $(x_2, y_2) = (-3,-1)$

$m = \frac{-1 - 3}{-3 - 3}$

$m = \frac{-4}{-6}$

Simplify to lowest term

$m = \frac{2}{3}$

Next is to determine the equation of the line using the slope formula

$m = \frac{y - y_1}{x - x_1}$ , $(x_1, y_1) = (3,3)$ and $m = \frac{2}{3}$

$\frac{2}{3} = \frac{y - 3}{x - 3}$

Cross multiply

$2 * (x - 3) = 3 * (y - 3)$

Open both brackets

$2 x - 6 = 3y -9$

Collect like terms

$2 x - 6 +9= 3y$

$2 x+3= 3y$

Divide through by 3

$\frac{2x}{3} + \frac{3}{3} = \frac{3y}{3}$

$\frac{2x}{3} + 1 = y$

Reorder

$y = \frac{2x}{3} + 1$

Next is to determine the inequality sign

The dotted lines on the graph shows that the inequality sign is either > or <
Since the shaded region is the upper part of the graph, then the > inequality sign will be considered,

The inequality becomes

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7 0

3 years ago

Maths question pls answer

Vitek1552 [10]

Answer:

Step-by-step explanation:

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Area of square = 9x9=81

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3 years ago

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