2 years ago

Write an equation in slope-intercept form of the line that passes through the given points.

Mathematics

1 answer:

CaHeK987 [17]2 years ago

4 0

I haven’t done this in a while but i believe it’s 1/3x-3

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X ^ 2 + 4x - 7 = 0 Solve using the Quadratic Formula

aalyn [17]

There's a special case of the quadratic formula called the Shakespeare Quadratic Formula (2b or -2b) that applies when the linear coefficient is even.

$x^2-2Bx + C \textrm{ has zeros }x = B \pm\sqrt{B^2 - C}$

If you're planning on solving a lot of quadratic equations quickly, it's good to know.

Here we have

$x^2 + 4x - 7 = 0$

$x = -2 \pm \sqrt{2^2 - -7}$

$x = -2 \pm \sqrt{11}$

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3 years ago

The difference between a number and 12 is 20 in a fraction

soldi70 [24.7K]

Do you want us to simplify? If so, it would be 3/5

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3 years ago

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Arada [10]

Answer:

100+946=1046

Ao the next no. Is 1046

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2 years ago

Que es 9+10 A.) 45 B.) 19 C.) 21 D.) 24

Vlad [161]

Answer is B. 19! 9+10=19

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2 years ago

Read 2 more answers

The point (4,-2) is the vertex of the graph of a quadratic function. The points (8,6) and (2,0) also fall on the graph of the fu

Elina [12.6K]

Answer:

Step-by-step explanation:

y = ax² + bx + c

~~~~~~~

(4, - 2), (8, 6), (2, 0)

a(4²) + b(4) + c = - 2

a(8²) + b(8) + c = 6

a(2²) + b(2) + c = 0

16a + 4b + c = - 2 .............. (1)

64a + 8b + c = 6 ............... (2)

4a + 2b + c = 0 ................. (3)

a = 0.5 ; b = - 4 ; c = 6

y = 0.5x² - 4x + 6

Part A: (0, 6), (6, 0)

Part B: (0,6)

Part C: (6, 0)

Part D: [ 4, ∞ )

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3 years ago