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nata0808 [166]
3 years ago
15

At how many points does the graph of the function y=4x^2-6x+1 intersect the x-axis?.

Mathematics
1 answer:
NeTakaya3 years ago
8 0
The graph of the parent function X^2 is a parabola, keeping this in mind you know that the graph will have two rays coming from the vertex, 

I find it useful to plot points for these problems, but if you have a TI calc then it'll be easier to see the graph right away. 

Answer: 2
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Point G bisects the line segment FH. The length of FG is 16 less than 3 times the length of GH. What is the length of FH?
charle [14.2K]

Answer: FH = 16

<h2><u>PART I</u></h2><h2 />

Concept:

Bisect means to cut or divide something into two equal parts.

In mathematics, usually bisect means cutting a segment or an angle.

If you are still confused, you may refer to the attachment below for a graphical explanation or tell me.

Solve:

<u>Given information</u>

FG is 16 less than 3 times the length of GH

Let x be the length of GH

<u>Given expression</u>

FG = GH

<u>Set equation</u>

3x - 16 = x

<u>Add 16 on both sides</u>

3x - 16 + 16 = x + 16

3x = x + 16

<u>Subtract x on both sides</u>

3x - x = x + 16 - x

2x = 16

<u>Divide 2 on both sides</u>

2x / 2 = 16 / 2

x=8

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

<h2><u>PART II</u></h2><h2><u /></h2>

Concept:

In order to find the length of FH, we need to know the idea of the segment addition postulate.

The Segment Addition Postulate states that given 2 points A and C, a third point B lies on the line segment AC if and only if the distances between the points satisfy the equation AB + BC = AC.

Solve:

<u>Given information</u>

FG = GH = x

x = 8

<u>Given expression deducted from the segment addition postulate</u>

FH = FG + GH

<u>Substitute values into the expression</u>

FH = x + x

FH = 8 + 8

\boxed {FH=16}

Hope this helps!! :)

Please let me know if you have any questions

8 0
3 years ago
A restaurant owner has found that 80% of her customers return to the restaurant within two weeks. She wants to create a tool tha
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Answer:

b. a spinner divided into 5 congruent sectors, spun 4 times

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Lara has $200 in her savings account. The account earns 2% interest. How much
DENIUS [597]

Answer:

so your initial investment would be $200 correct

so if you do the 2% interest rate

so you would have earned $1,261

and if you want to double check go on an instant rate calculator and it should pull it up

3 0
3 years ago
Heather ran 24 miles more than Natalie last
jekas [21]

Answer:

17

Step-by-step explanation:

41 - 24 = 17  

17 + 24 = 41

6 0
3 years ago
Find the inequality represented in the graph.
Digiron [165]

Answer: y > -1/2x + 2

Step-by-step explanation: first, in order to find the inequalities you should find the gradient by choosing two points from the line and you should you the formula m=y2-y1/x2-x1 to find the gradient.

Next, you should find the y-intercept in order to complete the inequality it can be easily found as the y-intercept is the place where the line crosses the y axis

Then you create your equation { y = -1/2x + 2 } and then if above the line is shaded then it is {> greater than} and if below the line is shaded then it should be {< less than}

(so you should replace the equation with the lesser or greater sign according to the way the graph is shaded)

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