Given that x+1 is a factor of 3x³-14x²-7x+d, show that d= 10

Answers

Answer 1
Answer:

Answer:

3x³ - 14x² - 7x + d = (x + 1)(ax² + bx + c)

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

  (x + 1)(ax² + bx + c)  

= ax³ + bx² + cx + ax² + bx + c

= ax³ + (a + b)x² + (b + c)x + c

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

ax³ + (a + b)x² + (b + c)x + c = 3x³ - 14x² - 7x + d

=> a = 3

    a + b = -14

    b + c = -7

    c = d

=> a = 3, b = -17, c = 10, d = 10


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Label each function as even, odd, or neither.

Answers

an even function has symmetry about the x axis

this means that if you fold the graph over the y axis, the function will map over itself

in number terms, if f(x) is an even function, then f(x)=f(-x)

an example is f(x)=x²


an odd function has symmetry about the origin

it is kinda confusing, but if g(x) is an odd function, g(-x)=-g(x)

an example is g(x)=x³



the first one (f(x)) seems to be neither

h(x) one, notice for x=2 and -2, the values are negative of each other, this tells us that it's an odd function

g(x), replacing x with -x gives us -|-2x|+3=-|2x|+3, same function, even function


Completing Proofs Involving Linear PairsGiven: m ZELG = 124°

Prove: x = 28

Statements

Reasons

1. m ZELG = 124

1. given

2. m ZELD = 2x

2. given

H

L

3. ZELG and ZELD are

a linear pair

3. definition of a linear pair

(2x)

G

4. m ZELD + m ZELG = 180

4.

Ε

• F.

5. 2x + 124 = 180

5. substitution

Complete the steps in the two-column proof.

6.

6. subtraction property

7. x = 28

7. division property

Intro

Done

vity

Answers

The corresponding angles of the lines solved and the value of x = 28°

What are angles in parallel lines?

Angles in parallel lines are angles that are created when two parallel lines are intersected by another line. The intersecting line is known as transversal line.

We can conclude three factors determining parallel lines ,

Alternate angles are equal

Corresponding angles are equal

Co-interior angles add up to 180°

Given data ,

Let the measure of ∠ELG = 124°

The measure of ∠ELD = 2x

∠ELG and ∠ELD are a linear pairs of angles

So , the measure of ∠ELG  + ∠ELD = 180°

On simplifying , we get

2x + 124° = 180°

Subtracting 124° on both sides , we get

2x = 56°

Divide by 2 on both sides , we get

x = 28°

Therefore , the value of x is 28°

Hence , the angle is x = 28°

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Answer:

1. angle addition post

2. 2x=56

How many times will interest be added to the principal in 1 year if the interest is compounded semiannually? A. 1 B. 2 C. 12 D. 6

Answers

Semiannual means every six months in a year so the answer is 2

Answer:

2

Explanation:

Semiannual means twice a year.

(Ap3x)

Cuantas horas hay de diferencia entre el meridiano qué pasa por el Perú y si antípoda

Answers

Answer:

y 5 horas entre mediterráneo que pasa por Perú

Do all of the digits in 8.88 have the same value? and explain why.

Answers

No, all of the digits in 8.88 does not have the same place value.

In the number 8.88, each digit occupies a specific position that determines its place value.

From left to right:

1. The first digit "8" is in the ones place. Its place value is 8.

2. The second digit "8" is in the tenths place. Its place value is 0.8 (or 8/10).

3. The third digit "8" is in the hundredths place. Its place value is 0.08 (or 8/100).

Since all the digits are located after the decimal point, they are decimal digits. Therefore, in the number 8.88, all digits have the different place value as decimals.

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Answer:

No

Step-by-step explanation:

Mitochondria is the powerhouse of the cell

Given that (2,3) is on the graph of f(x),find the corresponding point for the function f(x) - 4

Answers

The corresponding point for the function f(x) - 4 is (2, -1)

What is a function?

A function in mathematics set up a relationship between the dependent variable and independent variable. on changing the value of the independent variable the value of the dependent variable also changes.

given that (2,3) is on the graph of f(x)

So, for x = 2, f(x) = f(2) = 3

Now, define another function g(x) such that

g(x)   =   f(x)  -  4

g(2)   =   f(2)  -  4

g(2)   =   3  -  4  =  -1

Hence, corresponding point for the function f(x) - 4 is (2, -1)

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given that (2,3) is on the graph of f(x)

So, for x = 2, f(x) = f(2) = 3

Now, define another function g(x) such that

g(x) = f(x) - 4

So g(2) = f(2) - 4 = 3 - 4 = -1

Hence, corresponding point for the function f(x) - 4 is (2, -1)