3 years ago

What is the slope of this graph?

Mathematics

1 answer:

ad-work [718]3 years ago

5 0

Run

Rise = 3

Run = 6

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Which shows the correct substitution of the values a, b, and c from the equation –2 = –x + x2 – 4 into the quadratic formula? Qu

sergejj [24]

Answer:

The answer in the procedure

Step-by-step explanation:

we have

$2=-x+x^{2} -4$

$x^{2}-x-4-2=0$

$x^{2}-x-6=0$

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^{2}-x-6=0$

$a=1\\b=-1\\c=-6$

substitute in the formula

$x=\frac{-(-1)(+/-)\sqrt{(-1)^{2}-4(1)(-6)}} {2(1)}$

$x=\frac{1(+/-)\sqrt{25}} {2}$

$x=\frac{1(+/-)5} {2}$

$x=\frac{1(+)5} {2}=3$

$x=\frac{1(-)5} {2}=-2$

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3 years ago

If a third point is drawn 5 units to the left of (3, 5), in order to form the base of a right triangle, what are the coordinates

4vir4ik [10]

Answer:

B) -2,5

Step-by-step explanation:

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4 years ago

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Answer:

let x be y

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Solve for x. Enter the solutions from least to greatest. 3x^2 – 33x + 54 = 0

GarryVolchara [31]

Answer:

Step-by-step explanation:

3x² - 33x + 54 = 0

Divide the whole equation by 3

x²- 11x + 18 = 0

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x(x - 2) - 9(x - 2) = 0

(x-2)(x-9) = 0

x - 2 = 0 ; x - 9 = 0

x = 2 ;x = 9

Lesser x = 2

greater x = 9

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I need to know instantaneous rate of change at t=2

pashok25 [27]

$g(t)=4-t^2\implies g'(t)=-2t\implies g'(2)=-2\times2=-4$

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