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3 years ago

Given A (-3,5) and B (6,7) find AB

Mathematics

1 answer:

allsm [11]3 years ago

4 0

Answer:2/9

Step-by-step explanation:

AB= $\frac{7-5}{6+3}$

= $\frac{2}{9}$

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Solving a quadratic equation by completing the square. De

postnew [5]

Answer:

x1, x2 = 7.73 , 4.27

Step-by-step explanation:

To find the roots of a quadratic function we have to use the bhaskara formula

ax^2 + bx + c

x^2 - 12x + 33

a = 1 b = -12 c = 33

x1 = (-b + √ b^2 - 4ac)/2a

x2 =(-b - √ b^2 - 4ac)/2a

x1 = (12 + √(-12^2 - (4 * 1 * 33))) / 2 * 1

x1 = (12 + √(144 - 132)) / 2

x1 = (12 + √12) / 2

x1 = (12 + 3.46) / 2

x1 = 15.46 / 2

x1 = 7.73

x2 = (12 - √(-12^2 - (4 * 1 * 33))) / 2 * 1

x2 = (12 - √(144 - 132)) / 2

x2 = (12 - √12) / 2

x2 = (12 - 3.46) / 2

x2 = 8.54 / 2

x2 = 4.27

8 0

3 years ago

What is the equation of the lines that passes through the points (-2, -3) and (4, -5)?

antoniya [11.8K]

Since all the options are in the slope intercept form, we find the equation using the formula,

$y = mx + c$
We can find m, the slope using the formula,

$m = \frac{ change \: in \: y }{change \: in \: x}$
$m = \frac{ - 5 - - 3}{4 - - 2}$
$m = \frac{ - 2}{6} = - \frac{1}{3}$

On substitution,

$y = - \frac{ 1}{3} x + c$

We use any of the points, say (-2,-3) to determine the value of c.

$- 3 = - \frac{1}{3} ( - 2) + c$
$c = - \frac{11}{3}$

The equation is therefore,

$y = - \frac{1}{3} x - \frac{11}{3}$

The correct answer is D.

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3 years ago

Which statements are correct interpretations of this graph?

Fudgin [204]

3 boxes are filled every 4 minutes

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4 years ago

Read 2 more answers

Correct answer gets brainliest.

wolverine [178]

The answer is C based on SAS

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