Solve using the quadratic formula.2s2+7s−2=0Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.s=_____ or s=_____
Q. Solve using the quadratic formula.2s2+7s−2=0Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.s=_____ or s=_____
Identify coefficients: Identify the coefficients a, b, and c in the quadratic equation2s2+7s−2=0.a=2, b=7, c=−2
Write quadratic formula: Write down the quadratic formula: s=2a−b±b2−4ac.
Substitute values: Substitute the values of a, b, and c into the quadratic formula.s=2⋅2−(7)±(7)2−4⋅2⋅(−2)
Simplify discriminant: Simplify the expression under the square root (the discriminant). (7)2−4⋅2⋅(−2)=49+16=65
Insert discriminant: Insert the value of the discriminant back into the quadratic formula.s=4−7±65
Calculate solutions: Calculate the two possible solutions for s.s=4−7+65 or s=4−7−65
Round values: Round the values of s to the nearest hundredth, if necessary.s≈(−7+8.06)/4 or s≈(−7−8.06)/4s≈1.06/4 or s≈−15.06/4s≈0.27 or s≈−3.77
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