anonymous
  • anonymous
Please Help Got these questions wrong there driving me crazy ! MEDAL AND FAN !
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
#1 Use the following quadratic equation: 3x2 – 8x = 48 To complete the square, you would add what number to both sides of the equation? Select one: a. 4 Incorrect b. 16 c.62/36 d. 64/36
anonymous
  • anonymous
#2 Use the following quadratic equation: 3x2 – 8x = 48 The coordinates to the vertex would be: Select one: a. eq_3231a2.gif Incorrect b. equation c. equation d. None of the above
anonymous
  • anonymous
#3 Use the following quadratic equation: 3x2 – 8x = 48 The value(s) of x would be: Select one: a. 2 or –2 b. 4 or –4 c. Incorrect d. |dw:1437706601242:dw|

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anonymous
  • anonymous
#4 Use the following quadratic equation: 3x2 – 8x = 48 The graph of the parabola would: Select one: a. Open downward as the middle coefficient is positive. b. Open downward as the middle coefficient is negative. Incorrect c. Open upward because the leading coefficient is negative. d. Open upward because the leading coefficient is positive.
anonymous
  • anonymous
#5 Use the quadratic equation: x2 + 6x – 16 = 0 To complete the square, you would add what number to both sides of the equation? Select one: a. 16 b. –16 Incorrect c. 25 d. 9
anonymous
  • anonymous
#6 Use the quadratic equation: x2 + 6x – 16 = 0 After completing the square, the quadratic equation would look like: Select one: a. (x – 3)2 = 25 b. (x – 3)2 = –25 Incorrect c. (x + 3)2 = 25 d. (x + 3)2 = 5
anonymous
  • anonymous
#7 Use the quadratic equation: x2 + 6x – 16 = 0 The axis of symmetry would be: Select one: a. 3 b. –3 c. 6 d. No axis of symmetry as the parabola is not symmetrical. Incorrect
anonymous
  • anonymous
|dw:1437707370806:dw|
anonymous
  • anonymous
@LynFran
campbell_st
  • campbell_st
for the 1st equation divide every term by 3 \[x^2 - \frac{8}{3} x = 16\] now halve the term in x so what is half of -8/3 ? then square the answer and add it to both sides
anonymous
  • anonymous
how do i add it to both sides?
campbell_st
  • campbell_st
its exactly what it says 2x = 5 add 4 to both sides 2x + 4 = 5 + 4 or 2x + 4 = 9 same process
anonymous
  • anonymous
and i have to solve that ? im so sorry but im really bad at math lol
Mrhoola
  • Mrhoola
He wants you to divide (8/3) by 2

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