subject
Mathematics, 22.11.2020 02:30 organdonor626

A portion of the quadratic formula proof is shown. fill in the missing reason. ax^2+bx+c=0 β€”β€” Given
ax^2+bx=-c β€”β€”subtract c from both sides of the equation
x^2+b/a x=-c/a β€”β€” divide both sides of the equation by a
x^2+ b/a x+(b/2a)^2=-c/a+(b/2a)^2 β€”β€” complete the square and add (b/2a)^2 to both sides.
x^2+ b/a x+(b/2a)^2=-c/a+b^2/4a^2 β€”β€” square (b/2a) on the right side of the equation.
x^2+ b/a x+(b/2a)^2=-4ac/4a+b^2/4a^2β€”β€” find a common denominator on the right side of the equation.
x^2+ b/a x+(b/2a)^2=b^2-4ac/4a^2 β€”β€” ?

A-multiply the fractions together on the right side of the equation
B- subtract 4ac on the right side of the equation
C- add 4ac to both sides of the equation
D- add the fractions together on the right side of the equation


A portion of the quadratic formula proof is shown. fill in the missing reason.

ax^2+bx+c=0 β€”β€” Giv

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 15:10
Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.
Answers: 1
question
Mathematics, 21.06.2019 15:30
What is the measure of angle z in this figure? enter your answer in the box. z = Β° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.
Answers: 3
question
Mathematics, 21.06.2019 17:20
The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6
Answers: 3
question
Mathematics, 21.06.2019 21:30
If value of cos330° is √3/2 then find tan165°.
Answers: 1
You know the right answer?
A portion of the quadratic formula proof is shown. fill in the missing reason. ax^2+bx+c=0 β€”β€” Given...
Questions
question
Mathematics, 14.09.2021 02:10
question
Mathematics, 14.09.2021 02:10
question
Mathematics, 14.09.2021 02:10
question
Mathematics, 14.09.2021 02:10
question
Advanced Placement (AP), 14.09.2021 02:10
question
Health, 14.09.2021 02:10
question
Social Studies, 14.09.2021 02:10
Questions on the website: 13722367