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NemiM [27]
2 years ago
11

X squared minus x minus 6 =0

Mathematics
1 answer:
max2010maxim [7]2 years ago
7 0
Xsquared-x-6=0
(x-3)(x+2)=0
x=-2,3
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Y=1/2x +5<br> Y=-3/2x-7<br> Find x and y
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I'm going to use the substitution method. 

If y = - 3/2 - 7, then:

1/2x + 5 = - 3/2x - 7

Combine like terms: 

4/2x = - 12. Mutiply both sides by 2/4 to get x = -12 (2/4)

Simplify to get:

x = - 6.

Plug - 6 back in for x in either equation.

Y = 1/2( - 6) + 5 which becomes Y = - 3 + 5.

X = - 6, Y = 2





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5 0
2 years ago
1. For the function f(x) = x2, Find the slope of the secant line joining (1,f(1)) and
goblinko [34]

The slope of the line connecting two points (<em>a</em>, <em>b</em>) and (<em>c</em>, <em>d</em>) is

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2 years ago
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