Answer:
8
Step-by-step explanation:
a A + b A where A is a matrix and a and b are scalars
( a+b) A
3+5 = 8
(25 points)
2 answers:
X³ - 3x² - 4x + 12=(x³ - 3x²) - (4x - 12)=x²(x-3)-4(x-3)= (x-3)(x²-4)=(x-3)(x-2)(x+2)
equation cross x-axis in point x=-2, x=2, x=3
so we can choise from 1 and 3 answers:
<span>It starts down on the left and goes up on the right and intersects the x-axis at x = -2, 2, and 3.
It starts up on the left and goes down on the right and intersects the axis at x = -2, 2, and 3.</span>
coefficient before x³>0 so it go up
so it ís answer 1
Answer:
1. <span>It starts down on the left and goes up on the right and intersects the x-axis at x = -2, 2, and 3</span>
equation cross x-axis in point x=-2, x=2, x=3
so we can choise from 1 and 3 answers:
<span>It starts down on the left and goes up on the right and intersects the x-axis at x = -2, 2, and 3.
It starts up on the left and goes down on the right and intersects the axis at x = -2, 2, and 3.</span>
coefficient before x³>0 so it go up
so it ís answer 1
Answer:
1. <span>It starts down on the left and goes up on the right and intersects the x-axis at x = -2, 2, and 3</span>
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Let x represent the side length of the squares.
We have been given that an open box is made from an 8 by ten-inch rectangular piece of cardboard by cutting squares from each corner and folding up the sides. We are asked to find the volume of the box.
The side of box will be and
.
The height of the box will be .
The volume of box will be area of base times height.
Now we will use FOIL to simplify our expression.
Now we will distribute x.
Therefore, the volume of the box would be .
