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Katyanochek1 [597]
2 years ago
9

A straight line has equation 4y-5x=2 work out the gradient of this line

Mathematics
1 answer:
PilotLPTM [1.2K]2 years ago
8 0

Answer:

gradient = \frac{5}{4}

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope (gradient) and c the y- intercept )

Given

4y - 5x = 2 ( add 5x to both sides )

4y = 5x + 2 ( divide the terms by 4 )

y = \frac{5}{4} x + \frac{1}{2} ← in slope- intercept form

with gradient m = \frac{5}{4}

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Select the conic section that represents the equation. y2 = 10x circle ellipse parabola hyperbola
Makovka662 [10]

The conic that represents the equation y² = 10x is a parabola

Step-by-step explanation:

The general equation for any conic section is

Ax² + Bxy + Cy² + Dx + Ey + F = 0, where A, B, C, D, E and F are

constants

1. If B² - 4AC < 0, if a conic exists, it will be either a circle or an ellipse,

   if A and C are equal then it is a circle, if not then it is an ellipse

2. If B² - 4AC = 0, if a conic exists, it will be a parabola

3. If B² - 4AC > 0, if a conic exists, it will be a hyperbola

∵ The equation is y² = 10x

- Subtract 10x from both sides

∴ y² - 10x = 0

∴ A = 0 , B = 0 , C = 1 , D = -10 , E = 0 and F = 0

∵ B² - 4AC = (0)² - 4(0)(1) = 0

∴ B² - 4AC = 0

∴ The conic is parabola

The conic that represents the equation y² = 10x is a parabola

Learn more:

You can learn more about discriminant in brainly.com/question/8196933

#LearnwithBrainly

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Eden opened a new checking account on Monday and deposited $25 into it. The table below shows the activity in her account for th
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3x-y=7 in slope intercept form
mina [271]

Answer:

y = 3x - 7

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Equality Properties

<u>Algebra I</u>

Standard Form: Ax + By = C

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

Standard Form:   3x - y = 7

<u>Step 2: Rewrite</u>

<em>Find slope-intercept form</em>

  1. Subtract 3x on both sides:                    -y = 7 - 3x
  2. Divide -1 on both sides:                         y = 3x - 7
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Step-by-step explanation:

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