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lidiya [134]
3 years ago
8

Compare the number of x intercepts in the graph f(x)=x2 to the number of x intercepts in the graph of g(x)=x2-7. Be sure to incl

ude the transformation that occurred between the parent function f(x) and its image g(x)
Mathematics
1 answer:
Nuetrik [128]3 years ago
6 0
With x^2 the x-intercept is (0,0) because it meets at the origin. there are two x intercepts for g(x)=x^2-7 but only one x-int for f(x)=x^2. g(x) SHIFTED DOWN by 7 since the y-int is -7
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True or false? (Please help me)
gayaneshka [121]

Answer:

False

Explanation:

5 is 1/5 of 25

2 is 1/10 of 20

6 0
2 years ago
The conditional relative frequency table was generated using data that compares the number of voters in the last election and wh
lidiya [134]

Using proportions, it is found that 66 people in the survey worked on election day.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.

For this problem, the amounts of people who worked are:

  • 64% of 50(voted).
  • 40% of 85(did not vote).

Hence the total amount is given by:

0.64 x 50 + 0.4 x 85 = 66.

66 people in the survey worked on election day.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

6 0
1 year ago
What is the equation of the line that passes through (2,-6) and has a slope of -1
denis-greek [22]
Y = -1x + b
Plug in equation
-6 = -1(2) + b
-6 = -2 + b, b = -4
Solution: y = -1x - 4
8 0
2 years ago
In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. If the the flagpole is 18 ft tall, how tall
xxTIMURxx [149]

Answer:  78.8 ft

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

Similar triangles have proportional sides.

\dfrac{\text{building shadow}}{\text{building height}}=\dfrac{\text{flagpole shadow}}{\text{flagpole height}}\\\\\\\dfrac{35}{\text{building height}}=\dfrac{8}{18}\\\\\\\dfrac{35\times 18}{8}=\text{building height}\\\\\\\dfrac{35\times 9}{4}=\text{building height}\\\\\\\dfrac{315}{4}=\text{building height}\\\\\\\boxed{78.75=\text{building height}}

3 0
2 years ago
ABCD is a rhombus. explain why ABC is congruent to CDA
AleksAgata [21]

Solution:

Given: ABCD is a Rhombus

To Prove: ΔABC≅ΔCDA

Construction: Join AC as diagonal.

Proof: ABCD is Rhombus whose sides are equal and diagonal are perpendicular bisectors. Please see attach figure.

In ΔABC and ΔCDA

AB=CD           (Side of same Rhombus)

BC=DA           (Side of same Rhombus)

AC=CA           (Common Side of both triangle)

Therefore, ΔABC≅ΔCDA  by SSS property of congruence.

Hence Proved, ΔABC≅ΔCDA

7 0
2 years ago
Read 2 more answers
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