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ICE Princess25 [194]
3 years ago
14

Thomas is sketching the graph of a quadratic function. he is asking his friends about how many x-intercepts his function can hav

e. here is the feedback from his friends.
Allison says the graph can have 1 x-intercepts
Richard says the graph can have no x-intercepts
Linda says the graph must have two x-intercepts
Hope says the graph can have, at most 1 x-intercepts
How many of Tom's friends are right and why?

A: 0
B: 1; Linda is right because a quadratic graph has exactly two x-intercepts
C: 2; Allison, Richard, and Hope are right because the graph can have 0,1, or 2 x-intercepts.
D: 4; They're all right because the graph can have varying number of x-intercepts
Mathematics
2 answers:
DedPeter [7]3 years ago
7 0

Answer:

C: 2; Allison, Richard, and Hope are right because the graph can have 0,1, or 2 x-intercepts.

lord [1]3 years ago
6 0

Answer:

Allison and Richard are right.

But Hope is wrong. according to her, the graph couldn't have 2 x-intercepts

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Jason is painting a large circle on one wall of his new apartment. The largest distance across the circle will be 8 feet. Approx
Hunter-Best [27]

Answer:

a) 50.24 ft²

b) 150.72 ft²

Step-by-step explanation:

Jason is painting a large circle on one wall of his new apartment. The largest distance across the circle will be 8 feet.

The distance across a circle is also called a diameter, Hence,

D = Diameter = 8 ft

The Area of a circle = πr²

r = Diameter/2 = 8ft/2 = 4ft

π = 3.14

Hence,

The Area of the circle = π × (4 ft)²

= 50.24 ft²

a) Approximately the amount of wall the circle will cover is 50.24 ft².

b) How much area will he cover if he painted a circle on three walls?

This is calculated as:

1 wall = 50.24 ft²

3 walls = x

Cross Multiply

x = 3 × 50.24 ft²

x = 150.72 ft²

7 0
3 years ago
The diameter of a circle is 16 in . Find its circumference in terms of pi?
77julia77 [94]

Answer:

Circumference of circle = πd = π × 16 =16 π in.

or

circumference of circle = 2πr = 2×π×8= 16 π in.

5 0
3 years ago
What is the midpoint of the segment shown below?
arlik [135]

Answer:

option c is the correct answer

6 0
3 years ago
Read 2 more answers
PLS HELP I WILL GIVE THE BRAINLIEST ANSWER
seropon [69]

Answer:

6

Step-by-step explanation:

If V = IR, then V = 40 * 3 in this case, which means V = 120. Quote question, "Assume voltage remains constant." This means V still equals 120 in the second scenario, which we can input into I = V / R to make I = 120 / 20 = 6.

Hope this helps!

3 0
3 years ago
A hardware store sells 45 boxes of nails for $67.50. Assuming that each box is the same price, what is the price per box?
Veronika [31]

Answer:

$1.50

Step-by-step explanation:

You take 67.50/45= 1.50

Hope this helps! <3

6 0
3 years ago
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