3 years ago

Give an example of a quadratic function that has no real root but has 2 complex solutions.

Mathematics

1 answer:

Nimfa-mama [501]3 years ago

7 0

Step-by-step explanation:

An example : x² + 1 = 0....

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Can someone help on this question? Thanks

Vikentia [17]

1470=b+g
1/3b=1/4g+105

b=1470-g

1/3(1470-g)=1/4g+105
490-1/3g=1/4g+105
1/4g+1/3g=490-105
7/12g=385
g=660

b=1470-g
b=1470-660
b=810

7 0

3 years ago

A crate has 272 red and green apples. How many green apples are there?

Rus_ich [418]

Answer:

149

Step-by-step explanation:

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3 years ago

On the first day of school, the cafeteria serves hot dogs and hamburgers together. The cafeteria serves hot dogs every 6th schoo

kumpel [21]

Answer:

The Answer is 12 days or times.

Step-by-step explanation:

The LCM of 6 is 3 and 2, the LCM of 4 is 2 and 1, so we multiply 3 by 2 and 4 by 2 together to get 12, which is the number of days or times.

5 0

3 years ago

A bee colony produced 179 pounds of honey, but bears ate 0.24 pounds of it. How much honey remains?

Akimi4 [234]

Answer:

178.76

Step-by-step explanation:

Subtract .24 from 179

8 0

3 years ago

Find an equation of the tangent line to the curve 2(x2+y2)2=25(x2−y2) (a lemniscate) at the point (−3,1). An equation of the tan

valina [46]

$2(x^2+y^2)^2=25(x^2-y^2)$

Let $y=y(x)$ , so that differentiating both sides wrt $x$ gives

$4(x^2+y^2)\left(2x+2y\dfrac{\mathrm dy}{\mathrm dx}\right)=25\left(2x-2y\dfrac{\mathrm dy}{\mathrm dx}\right)$

If $x=-3$ and $y=1$ , the above reduces to

$40\left(-6+2\dfrac{\mathrm dy}{\mathrm dx}\right)=25\left(-6-2\dfrac{\mathrm dy}{\mathrm dx}\right)\implies\dfrac{\mathrm dy}{\mathrm dx}=\dfrac9{13}$

This is the slope of the tangent line, which has equation

$y-1=\dfrac9{13}(x+3)\implies\boxed{y=\dfrac{9x+40}{13}}$

7 0

3 years ago