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yanalaym [24]
3 years ago
7

What is the slope of the line described below? Y-9=15(x-5)

Mathematics
1 answer:
Ksivusya [100]3 years ago
3 0

slope = 15

the equation of a line in ' point- slope form ' is

y - b = m(x - a) → ( where m is the slope and (a, b) a point on the line)

y - 9 = 15(x - 5) is in this form

thus slope = m = 15



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Which of the following trigonometric ratios are correct?
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Hi there! In this problem, you should have the knowledge of three basic Trigonometric Ratio.

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Now that we know three basic ratio. Let's check each choices!

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This choice is wrong because we focus on the 50° angle. When we focus on 50°, sin50° should be d/x and not d/c.

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This choice is also wrong because in ratio, it's cos50° that adjacent/hypotenuse.

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This choice is correct! As ratio states, tanA = opposite/adjacent.

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This choice is wrong. x/c is a reciprocal of cosine which is 1/cos. We call the reciprocal of cosine as secant or sec in short.

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This choice is wrong as x/d is a reciprocal of sine which is 1/sin. We call the reciprocal of sine as cosecant or cosec/csc in short.

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This choice is right by the ratio. Nothing really much to explain since we follow by ratio that is defined.

Answer

  • tan50° = d/c
  • cos50° = c/x

Questions can be asked through comment.

Furthermore, tan also has its reciprocal form itself which is called cotangent also known as cot in short.

Hope this helps, and Happy Learning! :)

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