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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,
A store sells cashews for $3.00 per pound and pecans for $8.00 per pound. How many pounds of cashews and how many pounds of pecans should you mix to make a 50-lb mixture costing $4
2x squarex5x+9=0
2x-3(2x+7)=-13
Solve following. 2 x - 4 = 10 Solution There actually isn't much to do other than plug into the formula. As with equations p merely represents whatever is within the a
The sum of digits of a number is 9 If the digits of the number are reversed the number increases by 45 What is the original number?
Solve the following simultaneous equations by using Cramer's rule 3x+2y=13 2x-y=4
HOW DOES Log0.5 16 =4
x-5/6
math help
x-4
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