subject
Mathematics, 22.04.2020 19:02 markmoroney22

Mica is solving for the zeros of a quadratic function by
completing the square. Her work is shown. What error
did Mica make?

-Mica should have set each x = 0 instead of f(x).

-Mica should have added 2 to 3 instead of 1.

-Mica should have multiplied both sides by 2 instead
of dividing

-Mica should have subtracted 1 from both sides
instead of adding.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Which statement best describes the polynomial
Answers: 1
question
Mathematics, 21.06.2019 15:00
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
Answers: 1
question
Mathematics, 21.06.2019 18:00
Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours
Answers: 3
question
Mathematics, 22.06.2019 05:00
Me because i don't understand how to do it.: )
Answers: 1
You know the right answer?
Mica is solving for the zeros of a quadratic function by
completing the square. Her work is sh...
Questions
question
English, 07.01.2021 20:00
question
Mathematics, 07.01.2021 20:00
question
Physics, 07.01.2021 20:00