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By Using the discriminant find out which solution set we obatin for each of the following quadratic equations.
13x2 +1= 5x
Solution
Firstly get the equation in standard form.
13x2 - 5x + 1 = 0
Then we have,
a = 13 b = -5 c=1
Plugging in the discriminant gives,
b2 - 4ac = ( -5)2 - 4 (13) (1) =-27
The discriminant is negative & thus we will have two complex solutions. For reference reason the actual solutions are,
1 and 2 are supplementary and 1 = 72 find 2
r+7= r=3
Linear Systems with Two Variables A linear system of two equations along with two variables is any system which can be written in the form. ax +b
2x-y=32 2x+y=60
i need to know the steps to 3x+4y=8 and -5x-3y=5 using the substitution method.
4 pipes can fill a tank in 70 minutes.how long will it take to fill the tank by 7 pipes
2.51 x 10^14 >
how do you solve a different fractions
please help me understand polynomials- i get the small problems but i dont understand larger ones
A toy manufacturer determines that the daily cost,C, for producing x units of a dump truck can b approximated by the function c(x)=0.005x^2-x+109 I got that the manufacturer must
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