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lorasvet [3.4K]
3 years ago
14

For which discriminant is the graph possible

Mathematics
1 answer:
natulia [17]3 years ago
3 0

A quadratic's discriminant can either be more than zero, less than zero, or exactly zero. When the discriminant is less than zero, there are no real solutions and the graph won't cross the x-axis. When it's exactly zero, there will be a real double root and the graph is tangent to the x-axis. When it's more than zero, there will be two real solutions and two x-intercepts.

Our graph has two intercepts, so it needs a positive discriminant more than zero. Choice A's is negative - no.

Choice B's is zero - no.

Choice C's is positive -yes.

Thus, "C" is the possible discriminant for the given graph.

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over a season in a women's basketball league jackson scored 41 more points than the second highest scorer leslie. Together they
vlabodo [156]
First, you know that Jackson (let call her J) scored 41 more points than L (Leslie).  What we don't know is how many points L scored so we can use a variable that will be 'x'.
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(You can use bar modeling to do solve this problem.  An example of bar modeling is shown below.  

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3 years ago
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Likurg_2 [28]

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7 0
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The perimeter of a playing field for a certain sport is 254 ft. The length is 47 ft longer than the width. Find the dimensions.
Vikentia [17]

Answer: the length is 87 feet

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Step-by-step explanation:

Let L represent the length of the playing field.

Let W represent the width of the playing field.

The playing field is rectangular. The formula for determining the perimeter of a rectangle is expressed as

Perimeter = 2(L + W)

The perimeter of a playing field for a certain sport is 254 ft. This means that

254 = 2(L + W)

L + W = 254/2

L + W = 127 - - - - - - - - - - - -1

The length is 47 ft longer than the width. This means that

L = W + 47

Substituting L = W + 47 into equation 1, it becomes

W + 47 + W = 127

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2W = 127 - 47 = 80

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3 years ago
Please be kind enough to help me with this question in my geometry test thank you i’m very grateful
WARRIOR [948]

Answer:

yes

Step-by-step explanation:

5 0
3 years ago
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