Mathematics, 18.11.2019 10:31, lizdeleon248
When the solution of x2 + 9x − 9 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
a: 117
b: 54
c: 45
d: 9
question 3(multiple choice worth 1 points) (08.03 lc) 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? −5x2 − 9x + 12 = 0
a: a = −9, b = 12, c = 0
b: a = −5, b = −9, c = 12
c: a = 5, b = 9, c = 12
d: a = 9, b = 12, c = 0
question 4(multiple choice worth 1 points) (08.03 mc) 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
a: x = 6
b: x = 3
c: x = 1
d: x = 0
6(multiple choice worth 1 points) (08.03 mc) 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
a: x equals 5 plus or minus the square root of 33, all over 2
b: x equals negative 5 plus or minus the square root of 33, all over 2
c: x equals 5 plus or minus the square root of 17, all over 2
d: x equals negative 5 plus or minus the square root of 17, all over 2
question 7(multiple choice worth 1 points) (08.03 mc) 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
a: −16
b: 2
c: 4
d: 14
question 8(multiple choice worth 1 points) (08.03 lc) 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: a = 9, b = 7, c = 6
b: a = −9, b = 7, c = −6
c: a = −6, b = 9, c = −7
d: a = −6, b = −9, c = 7 q
question 9(multiple choice worth 1 points) (08.03 mc) the quadratic equation 4x2 + 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 −10.69. what is the other solution? round to the hundredths place.
a: 0.51
b: 10.69
c: −1.12
d: −0.56
question 10(multiple choice worth 1 points) (08.03 lc) solve: 25x2 − 30 = 0 round the answer to the nearest hundredth.
a: x = −1.10 and x = 1.10
b: x = −26.15 and x = 1.15
c: x = 0
d: x = −0.83 and x = 0.83
Answers: 1
Mathematics, 21.06.2019 16:30, sierrabuckner645
Which of the following is the correct ratio for converting kilograms to grams
Answers: 3
Mathematics, 21.06.2019 20:20, rileychas4114
Drag each tile to the correct box. not all tiles will be used. consider the recursively defined function below. create the first five terms of the sequence defined by the given function
Answers: 1
Mathematics, 21.06.2019 22:30, Afranker8778
Write the equation of a line that is perpendicular to the given line and that passes through the given point. –3x – 6y = 17; (6, 3) y = x – 9 y = 2x – 9 y = –2x – 9 y = x + 0 3. is the relationship shown by the data linear? if so, model the data with an equation. x y 1 5 5 10 9 15 13 20 the relationship is linear; y – 5 = (x – 1). the relationship is not linear. the relationship is linear; y – 5 = (x – 1). the relationship is linear; y – 1 = (x – 5). write an equation in point-slope form for the line through the given point with the given slope. (–10, –1); m = y + 10 = (x + 1) y – 1 = (x – 10) y – 1 = (x + 10) y + 1 = (x + 10) 5. write an equation for each translation of . 6.5 units up y + 6.5 = | x | y = | 6.5 x | y = | x | + 6.5 y = | x | – 6.5 6. write an equation for each translation of . 5.5 units right y = | x | + 5.5 y = | x – 5.5 | y = | x | – 5.5 y = | x + 5.5 | 7. which equation translates y = | x | by 8 units to the left? y = | x | – 8 y = | x | + 8 y = | x – 8| y = | x + 8|
Answers: 1
Mathematics, 21.06.2019 22:40, jeffyisdrunk
The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?
Answers: 1
When the solution of x2 + 9x − 9 is expressed as 9 plus or minus the square root of r, all over 2, w...
English, 16.09.2019 03:00
Physics, 16.09.2019 03:00
History, 16.09.2019 03:00