Mathematics

Mathematics, 06.12.2019 15:31, sbush5231

Which graph correctly solves the equation below?

three fourths x squared minus three equals negative three fourths x squared plus three

two quadratic graphs opening up. they intersect at 0 and negative 3.
one quadratic graph opening up and one quadratic graph facing down. they intersect at 0, 3.
quadratic graph opening up and quadratic graph opening down. they intersect at 0, negative 3.
two parabolas one facing down with a vertex at 0, 3 and one facing up with a vertex at 0, negative 3

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Mathematics, 11.07.2019 02:30, 2021andrewkell

Question 1 solve for x using the quadratic formula: x2 − 6x + 9 = 0 x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a x = 6 x = 3 x = 1 x = 0 question 2 solve: 49x2 − 60 = 0 round your answer to the nearest hundredth. x = 0 x = −3.32 and x = 3.32 x = −1.11 and x = 1.11 x = −0.82 and x = 0.82 question 3 when the solution of x2 − 9x − 6 is expressed as 9 plus or minus the square root of r, all over 2, what is the value of r? x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a 6 42 57 105 question 4 identifying the values a, b, and c is the first step in using the quadratic formula to find solution(s) to a quadratic equation. what are the values a, b, and c in the following quadratic equation? −6x2 = −9x + 7 a = 9, b = 7, c = 6 a = −9, b = 7, c = −6 a = −6, b = 9, c = −7 a = −6, b = −9, c = 7 question 5 use the quadratic formula to find the exact solutions of x2 − 5x − 2 = 0. x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a x equals 5 plus or minus the square root of 33, all over 2 x equals negative 5 plus or minus the square root of 33, all over 2 x equals 5 plus or minus the square root of 17, all over 2 x equals negative 5 plus or minus the square root of 17, all over 2 question 6 a portion of the quadratic formula proof is shown. fill in the missing statement. statements reasons x squared plus b over a times x plus the quantity b over 2 times a squared equals negative 4 times a times c all over 4 times a squared plus b squared over 4 a squared find a common denominator on the right side of the equation x squared plus b over a times x plus the quantity b over 2 times a squared equals b squared minus 4 times a times c all over 4 times a squared add the fractions together on the right side of the equation the quantity x plus b over 2 times a squared equals b squared minus 4 times a times c all over 4 times a squared rewrite the perfect square trinomial on the left side of the equation as a binomial squared x plus b over 2 times a equals plus or minus the square root of b squared minus 4 times a times c, all over 4 times a squared take the square root of both sides of the equation x plus b over 2 times a equals plus or minus the square root of b squared minus 4 times a times c, all over 2 times a simplify the right side of the equation ? subtract the quantity b over 2 times a from both sides of the equation x equals b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over a x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a x plus b over 2 times a equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a question 7 the quadratic equation 3x2 + 45x + 24 = 0 was solved using the quadratic formula, x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a. one solution is −14.45. what is the other solution? round to the hundredths place. −1.11 −0.55 0.52 14.45 question 8 the quadratic formula, x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a, was used to solve the equation. 2x2 − 8x + 7 = 0. fill in the missing denominator of the solution. 4 plus or minus the square root of 2, all over blank −16 2 4 14 question 9 identifying the values a, b, and c is the first step in using the quadratic formula to find solution(s) to a quadratic equation. what are the values a, b, and c in the following quadratic equation? −6x2 − 8x + 12 a = −6, b = −8, c = 12 a = 6, b = 8, c = 12 a = 8, b = 12, c = 0 a = −8, b = 12, c = 0

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Geography, 22.09.2019 00:30, hardwick744

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Mathematics, 26.09.2019 02:50, AllanCasey12

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Mathematics, 19.10.2019 05:30, 19thomasar

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