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mrs_skeptik [129]
3 years ago
12

Can a quadratic polynomial equation with real coefficients have one real solution and one complex solution? If so,

Mathematics
1 answer:
Anastasy [175]3 years ago
5 0

Answer:

No

Step-by-step explanation:

We have to find that a quadratic polynomial equation with real coefficient can have one real solution and one complex solution.

quadratic equation is given by

ax^2+bx+c=0

It can be written as  the product of linear factors

ax^2+bx+c=a(x-r_1)(x-r_2)

Where r_1,r_2 are solutions of the given  polynomial equation.

No , a quadratic polynomial equation can not  have one real solution and one complex solution because complex root are always in paired not a single.

A quadratic equation have two roots only.

If a quadratic equation have complex root then the equation have both complex root .

If  a equation have real root then it have both real.

Therefore, a quadratic equation can not have one real and one compelx solution.

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Q5 Q5.) Use the​ (x,y) coordinates in the figure to find the value of the trigonometric function at the indicated real​ number,
e-lub [12.9K]
Csc (3pi/2) = 1/sin(3pi/2)

According to the graph sin(3pi/2) = -1

So,

csc (3pi/2) = 1/(sin(3pi/2) = 1/(-1) = -1

The answer is -1
4 0
3 years ago
Read 2 more answers
Cos B =<br>tan B =<br>sin B =​
Oduvanchick [21]

The three main trig functions are sine (written as sin), cosine (written as cos), and tangent (written as tan).

Sine of an angle = the length of the side opposite (aka across) the angle / the length of the hypotenuse

Cosine of an angle = the length of the side adjacent (aka the side next to which isn't the hypotenuse) to the angle / the length of the hypotenuse

Tangent of an angle = the length of the side opposite of the angle / the length of the side adjacent to the angle.

The acronym to remember this is SOHCAHTOA

SOH | CAH | TOA

SOH means sin(x) = opposite/hypotenuse

CAH means cos(x) = adjacent/hypotenuse

TOA means tan(x)= opposite/adjacent

cosB = length of adjacent side/length of hypotenuse = 7/25

tanB = length of opposite/length of adjacent = 24/7

sinB = length of opposite/length of hypotenuse = 24/25

8 0
3 years ago
the function f(x)= x1/3 is transformed to get function h. h(x)= (2x)1/3+5 which statements are true about function h
Bess [88]

The transformation of a function may involve any change. The function f(x) is vertically stretched and shifted 5 units upwards to form h(x).

<h3>How does the transformation of a function happen?</h3>

The transformation of a function may involve any change.

Usually, these can be shifted horizontally (by transforming inputs) or vertically (by transforming output), stretched (multiplying outputs or inputs) etc.

If the original function is y = f(x), assuming the horizontal axis is the input axis and the vertical is for outputs, then:

Horizontal shift (also called phase shift):

  • Left shift by c units, y=f(x+c) (same output, but c units earlier)
  • Right shift by c units, y=f(x-c)(same output, but c units late)

Vertical shift

  • Up by d units: y = f(x) + d
  • Down by d units: y = f(x) - d

Stretching:

  • Vertical stretch by a factor k: y = k \times f(x)
  • Horizontal stretch by a factor k: y = f(\dfrac{x}{k})

The function f(x)=x^(1/3) is transformed to form the function of  h(x)=(2x)^(1/3)+5. Therefore, the transformation made to the function is,

Vertically stretched by a factor of 2^(1/3) ⇒ 2^(1/3) × x^(1/3) = (2x)^(1/3)

Up by 5 units ⇒ (2x)^(1/3) + 5

Hence, the function f(x) is vertically stretched and shifted 5 units upwards to form h(x).

Learn more about Transforming functions:

brainly.com/question/17006186

#SPJ1

7 0
2 years ago
Charlie deposits $250 on the last day of each month into an account that earns 6% annual interest compounded monthly. Complete t
Ierofanga [76]

Answer:

A=$265.42

Step-by-step explanation:

The formula to apply here is;

A=P(1+\frac{r}{n} )^{nt}

where;

A=amount at the end

P=principal amount=$250

r=rate of interest=0.06%

n=number of compounding per year=12

t=total number of years=1

A=250(1+\frac{0.06}{12} )^{12*1} \\\\A=250(1.005)^{12}\\ \\\\A=265.42

3 0
3 years ago
What is all that is equivalent to 5x+(x+6)+3x
Trava [24]

Answer:

9x+6

Step-by-step explanation:

I think by equivalent, you mean solve it.

5x+(x+6)+3x

5x+x+6+3x, open the parenthesis

9x+6, add up the like terms

6 0
3 years ago
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