Solve using the quadratic formula.j2−6j+4=0Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.j=_____ or j=_____
Q. Solve using the quadratic formula.j2−6j+4=0Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.j=_____ or j=_____
Identify values: Identify the values of a, b, and c in the quadratic equationj2−6j+4=0. The standard form of a quadratic equation is ax2+bx+c=0. Comparing this with our equation, we get: a=1b=−6c=4
Substitute values into formula: Substitute the values of a, b, and c into the quadratic formula to find j. The quadratic formula is j=2a−b±b2−4ac. So we have: j=2⋅1−(−6)±(−6)2−4⋅1⋅4
Simplify expression and constants: Simplify the expression under the square root and the constants outside the square root. j=26±36−16j=26±20
Factor and simplify square root: Simplify the square root of 20 by factoring it into 4×5 and taking the square root of 4 out of the square root.20=4×5=2×5Now substitute this back into the equation:j=26±2×5
Divide terms by 2: Simplify the equation by dividing both terms in the numerator by 2.j=23±5
Approximate solutions: Since 5 cannot be simplified to an integer or a simple fraction, we will leave it as is or round it to the nearest hundredth if necessary.The approximate value of 5 is 2.24.So the approximate solutions for j are:j≈3+2.24 or j≈3−2.24j≈5.24 or j≈0.76
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