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vova2212 [387]
3 years ago
8

Explain how the value of a in the standard form of a quadratic affects the direction and shape of the graph.

Mathematics
1 answer:
julsineya [31]3 years ago
6 0

Answer:

Affects the steepness of the graph

Step-by-step explanation:

A quadratic is in the form ax^2 + bx + c and is usually a parabola.

Changing the constant a will influence the gradient of this parabola and will therefore affect how steep it is.

If a is positive, the parabola will have a minimum turning point meaning that it will be facing upwards.

if a is negative, it will have a maximum turning point and face downwards.

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Could someone help me understand this?
larisa86 [58]

Answer:

8 < x < 40

Step-by-step explanation:

x − 8 must be more than 0, but it can't be greater than 32.

0 < x − 8 < 32

8 < x < 40

A more precise answer would require law of cosines and calculus.

5 0
4 years ago
How do I solve this
Veronika [31]

Answer:

P(A or B) = 1.16

Step-by-step explanation:

Given probability:

Probability of event A = P(A) = 0.46

Probability of event B = P(B) = 0.7

P(A and B) = 0.43

Find:

P(A or B)

Computation:

If A is an incident and B is a separate event, P(A or B) is the possibility of either A, B, or both events occurring.

P(A or B) = P(A) + P(B)

P(A or B) = 0.46 + 0.7

P(A or B) = 1.16

5 0
3 years ago
Pls help someone pls help
AlexFokin [52]

Answer:

The answer is d.

Draw the ray from 12 downward

4 0
2 years ago
The table shows the time a patient spends at the dentist and the amount of the bill. A 2-column table with 4 rows. The first col
Vinvika [58]

The correlation coefficient for the data in the table was found to be 0.93.

The correct option is A.

<h3>What is the correlation coefficient?</h3>

The correlation coefficient focuses on the linear relationship between two variables.

Given

The first column is labeled time spent at the dentist (in hours) with entries 1.4, 2.7, 0.75, 1.6.

The second column is labeled bill amount (in dollars) with entries 235, 867, 156, 215.

The numbers between -1 and 1 should be one of the values related to the bill.

Taking the independent variable or input variable as, the time a patient spends at the dentist and the dependent variable or output variable as the amount of the bill.

Hence, The correlation coefficient for the data in the table was found to be 0.93.

To know more about correlation coefficient click the link given below.

brainly.com/question/26197675

3 0
2 years ago
Tina has 3 stacks of 5CDs on each of 3 shelves.how nany CDs does she have
blondinia [14]
Tina has 45 cds in total
8 0
4 years ago
Read 2 more answers
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