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3 years ago

Find the number of possible positive real zeros of 2x^4+14x^3-35x^2

1 answer:

7 0

Possible zeros: Factors of P/Factors of Q, where P is the constant and Q is the leading coefficient.

P = 35: 1, 5, 7, 35
Q = 2: 1, 2
+1, -1, +1/2, -1/2, +5, -5, +5/2, -5/2, +7, -7, +7/2, -7/2, +35, -35, + 35/2, -35/2
16 total

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3 years ago

Read 2 more answers

A circle has a diameter of 14 feet. What is the circumference of the circle? Use 3:14 for pie.

Marianna [84]

Answer:

Circumference= $43.96 feet$

Step-by-step explanation:

Diameter of the circle= 14 feet

Radius of the circle= 14/2= 7 feet

Circumference of the circle= $2\pi r$

As, $\pi =\frac{22}{7}=3.14$

Circumference:

$=2*3.14*7\\\\=3.14*14\\\\=43.96feet$

The circumference of the circle with the radius= 7 feet is $43.96 feet$

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3 years ago

What is the system of inequalities associated with the following graph?

slamgirl [31]

One line passes through the points (-2,3) and (0,-3) , it means the y intercept is b=-3

and slope m = $\frac{(-3-3)}{0-(-2)}$

$= \frac{-6}{2}= -3$

So the equation of line will be $y= -3x -3$

And the inequality should be $y\geq -3x-3$

Or $3x +y \geq -3$

And the other line passes through (-2,3) and (0,2)

So the y intercept is b=2

and the slope is $m= \frac{2-3}{0-(-2)} = \frac{-1}{2}$

So the equation of line will be $y= \frac{-1}{2} x +2\\and the inequality should be y \leq \frac{-1}{2} x+2$

$2y +x \leq 4$

So answer is $3x +y \geq -3, x+2y\leq 4$

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3 years ago

Factorise B square minus 25

GuDViN [60]

Answer: (b+5)(b-5)

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3 years ago