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Shalnov [3]
3 years ago
15

Sketch the graph of y=(x-5) squared +3

Mathematics
1 answer:
anygoal [31]3 years ago
5 0

Answer:

Part 1) The turning point is (5,3)

Part 2) The y-intercept is the point (0,28)

Part 3) The graph don't cross the x-axes

Part 4) The graph in the attached figure

Step-by-step explanation:

Part 1) State the turning point

we know that

A <u><em>turning point</em></u> is a point of the graph where the graph changes from increasing to decreasing (rising to falling) or decreasing to increasing (falling to rising)

we have

y=(x-5)^2+3

This is the equation of a vertical parabola written in vertex form

The parabola open upward

The vertex represent a minimum

The vertex is the point (5,3)

therefore

The turning point is (5,3)

Part 2) Find the y-intercept

we know that

The y-intercept is the value of y when the value of x is equal to zero

so

For x=0

y=(0-5)^2+3\\y=28

The y-intercept is the point (0,28)

Part 3) Find the x-intercepts of the quadratic equation

we know that

The x-intercept is the value of x when the value of y is equal to zero

so

For y=0

(x-5)^2+3=0

(x-5)^2=-3

Remember that

i=\sqrt{-1}

so

(x-5)=\pm\sqrt{-3}

(x-5)=\pm i\sqrt{3}

x=5\pm i\sqrt{3}

The graph don't cross the x-axes

Part 4) The graph in the attached figure

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if you are asked to solve a system of equations in which there is no linear equation to start with, you can sometimes begin by i
DENIUS [597]

<u>Answer:</u>

The correct answer option is: True.

<u>Step-by-step explanation:</u>

Its true that if there is no linear equation to start with, you can isolate and substitute a variable that is squared in both the equation.

For example, for the given non linear equation, start by dividing both sides by coefficient of the variable.

Once you do that and isolate a variable, continue solving by substituting that variable into the other equation.

5 0
3 years ago
HELP ME PLEASE I BEG YOU
spayn [35]

Answer:

∠ K = 35° and ∠ L = 105°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

let ∠ K = x then ∠ L = 3x

Sum the angles and equate to 180

3x + x + 40 = 180, that is

4x + 40 = 180 ( subtract 40 from both sides )

4x = 140 ( divide both sides by 4 )

x = 35

Thus

∠ K = 35° and ∠ K = 3x = 3 × 35 = 105°

5 0
3 years ago
The students in Ms. Dodd's class recorded the height in feet of palm trees on school property. Their heights were as follows:
dlinn [17]

Answer:

B

Step-by-step explanation:

8 0
2 years ago
Of the 100 entries in a costume contest, 39 entrants were dressed as heroes and 45 entrants were wearing a mask. If 21 entrants
ehidna [41]

Correct question with correct options has been attached

Answer:

37

Step-by-step explanation:

Let C represent those dressed as heroes and let B represent those wearing mask

Thus;

n(C) = 39

n(D) = 45

We are told that 21 entrants were dressed as heroes wearing a mask.

Thus; n(C n D) = 21

We are also told that there were a total of 100 entries.

Thus, n(T) = 100

Now, number of entrants neither dressed as heroes nor wearing a mask is given by;

n(T) - n(C u D)

n(C u D) = n(C) + n(D) - n(C n D)

n(C u D) = 39 + 45 - 21

n(C u D) = 63

Thus;number of entrants neither dressed as heroes nor wearing a mask is: 100 - 63 = 37

3 0
3 years ago
Solve the system by substitution 3x+y=-16 and y=-x-4
kap26 [50]

Solution,

y = -x-4......(i)

3x + y =- 16.......(ii)

Now,

Substituting the value of y in equation (ii)

or, 3x + (-x-4)= -16

or,3x - x - 4 = -16

or, 2x= -16 +4

or, x = -12/2

: x = -6

Then,

Substituting the value of x in (i) equation;

or,y= -(-6) - 4

or,y= 6 - 4

: y =2

7 0
3 years ago
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