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Rom4ik [11]
3 years ago
9

Vertex of y= -x2+2x+1

Mathematics
1 answer:
Debora [2.8K]3 years ago
6 0

Answer:

(1 , 2)

Put the equation in the form "y=ax2+bx+c

Calculate the -b term, which is also the x coordinate of the vertex.

Plug in -b/2 into the equation for x and then solve for y.

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Practice 7) fill in the blanks.
DiKsa [7]

(h,k) is the vertex

b/2a is the line of symmetry

a > 0 parabola opens upward, vertex is a minimum

a < 0 parabola opens downward, vertex is a maximum

My first answer was deleted lolol

7 0
3 years ago
Find the value of x: 7e(×/3)=14
velikii [3]
<span>7e^(×/3)=14
</span><span>e^(×/3)=14/7
</span>e^(×/3)=2
take ln of both sides;
lne^(×/3)=ln2
****You should be familiar that lne^x=x as ln is the inverse function of e and vice versa****
then;
x/3=ln2
x=3ln2
x approximately is equal to 2.1
6 0
3 years ago
Jenise throws a ball 75 times and hits the target 41 times. What is the experimental probability that she will hit the target? S
Nutka1998 [239]

Answer:

Step-by-step explanation:

Probability is the ratio of the required outcome to the total possible outcome

Total outcome = 75

Number of times target was hit (expected outcome) = 41

Pr(she will hit target)= 41/75

Next is to state in percent and u do that by multiplying the resulting fraction by 100

41/75 i n percent.

41/75×100

= 4100/75

= 54.67%

Hence the answer in percentage is 54.67%

7 0
3 years ago
Mr. Dash recorded the odometer
Ahat [919]

Answer:

  • $47.69

Step-by-step explanation:

<u>Total miles per trip:</u>

  • 23219.1 - 23125.6 = 93.5 miles

<u>Amount reimbursed:</u>

  • 93.5*$0.51 = $47.69
6 0
3 years ago
Question 8 of 20
Gnesinka [82]
C is the answer because the X factors can’t repeat
3 0
3 years ago
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