Solve 2x2 – 3x + 6 = 0.

Mathematics

1 answer:

artcher [175]3 years ago

3 0

Answer:

3 ±i√39

------------

Step-by-step explanation:

The coefficients of this quadratic equation are a = 2, b = -3 and c = 6. Thus, the discriminant is b^2 - 4(a)(c), or (-3)^2 - 4(2)(6), or 9 - 48, or -39.

Thus, the roots are:

-(-3) ± i√39 3 ±i√39

x = ------------------- = ----------------

2(2) 4

This corresponds to the first of the four given answers.

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For the equation 2(4x+10)=8x+k, which value of K will create an equation with infinitely many solutions?

saw5 [17]

Answer:

For given linear equation having infinite many solution the value of k is 20 .

Step-by-step explanation:

Given as :

The equation is 2 (4 x + 10) = 8 x + k

For infinite many solution , if the variable cancel out to zero then it will have infinite many solutions

<u>So, from given linear equation</u>

i.e 2 (4 x + 10) = 8 x + k

Or, 2 × 4 x + 2 × 10 = 8 x + k

Or, 8 x + 2 × 10 = 8 x + k

Or, 8 x + 20 = 8 x + k

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Airida [17]

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