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In the last two sections of this chapter we desire to discuss solving equations & inequalities that have absolute values. We will look at equations along with absolute value in them in this section.
However, before solving first we must have a brief discussion of just what absolute value is.
The notation for the absolute value of p is |p|. Note as well that the absolute value bars are not parentheses and in several cases don't act as parentheses so be careful with them.
There are two ways to describe absolute value. There is geometric definition & a mathematical definition. We will look at both.
40x-30y=15 x+50y=-25
how do you factor 8y^2-23y+15
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As noted earlier most parabolas are not given in that form. So, we have to take a look at how to graph a parabola which is in the general form.
Methods of elimination Example 1 Solve out the given system of equations. x - 2 y + 3z = 7 2 x + y + z = 4 -3x + 2 y - 2 z = -10 Solution We will try and find
2.51 x 10^14 >
how do you find the equation of the line tangent to the circle: x^2=y^2=89 (5,-8)
Solve following equations. (a) x 2 -100 = 0 (b) 25 y 2 - 3 = 0 Solution There actually isn't all that much to these problems. To use the square root property a
w2+30w+81 need step by step and explanation.
f(x)=x^2+6x-38
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