What is the shape of a histogram of data that form a normal distribution
1 answer:
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Answer:
No
Step-by-step explanation:
<u>Step 1: Determine if linear </u>
It is not linear because it has the x variable to the second power which makes the line bend and turns into a parabola. A linear line would have the x to the first power or just x.
Answer: No
<u>Graph Below</u>
If ( x - 1 ) * ( x + 3 ) = 0 => x = 1 or x = -3;
But, (x-1)(x+3)=1 => x^2 + 3x -x - 3 = 1 => x^2 + 2x - 4 = 0;the discriminant is 2^2 - 4 * 1 * ( -4 ) = 20 => the solutions are x1 =
( - 2 +
) / 2 ; x2 = - 2 - ) / 2;
But, (x-1)(x+3)=1 => x^2 + 3x -x - 3 = 1 => x^2 + 2x - 4 = 0;the discriminant is 2^2 - 4 * 1 * ( -4 ) = 20 => the solutions are x1 =
( - 2 +