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d1i1m1o1n [39]
3 years ago
14

Using the quadratic formula to solve 4x^2-3x + 9=2x + 1 what are the values of x​

Mathematics
1 answer:
Alchen [17]3 years ago
8 0

Answer:

x=5±√−103/8

Step-by-step explanation:

There's no real solutions

4x2−3x+9−(2x+1)=2x+1−(2x+1)

4x2−5x+8=0

x=−b±√b2−4ac/2a

x=−(−5)±√(−5)2−4(4)(8)/2(4)

x=5±√−103/8

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kiruha [24]

Answer:

c.  y = x - 6.

Step-by-step explanation:

It's a straight line whose general form is y = mx + c.

The slope is (0, -6) / (6, 0)

= -6 / -6

= 1 so the coefficient of x , (m)  is 1.

The value of  c ( the y-intercept) is -6.

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Step-by-step explanation:

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I neeed helpppp can someone help me?
SVETLANKA909090 [29]

Answer:

-8/5

Step-by-step explanation:

The thing that makes lines different from other kinds of curves is their <em>constant rate of change</em>. We call this rate of change <em>slope</em>, and you usually see it represented with the letter <em>m</em>. We measure it as the rate our y-coordinate changes for some amount our x-coordinate changes.

We're given the two points (-1, 4), and (4, -4). From that first point to the second one, our x-coordinate <em>increases </em>by 5, while our y-coordinate <em>decreases </em>by 8, so our change in y is -8 for every 5 in the positive x direction, and we'd write our slope as

m = -8/5

4 0
3 years ago
Mercury is about 57,000,000 from the sun,whereas neptune is about 4.5 x 10 to the 9th power km from the sun. What is the differe
slavikrds [6]

Answer:

4,443,000,000 or 4.443 * 10^9 km.

Step-by-step explanation:

Neptune's distance from the sun = 4.5 * 10^9

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The required difference is

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