Mathematics, 09.05.2021 07:00, valenciafaithtorres

Select all of the following that are quadratic equations. 3x ^2 + 5x - 7 = 0
x ^3 - 2x ^2 + 1 = 0
2x - 1 = 0
5x ^2+ 15x = 0
6x - 1 = 4x + 7
x ^2 - 4x = 4x + 7

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:00, m4167281

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

continue

Mathematics, 21.06.2019 18:00, officialgraciela67

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit

Answers: 3

continue

Mathematics, 21.06.2019 18:00, UsedForSchool2018

Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10

Answers: 1

continue

Mathematics, 21.06.2019 20:00, kennrecklezz

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

Answers: 1

continue

Do you know the correct answer?

Select all of the following that are quadratic equations. 3x ^2 + 5x - 7 = 0
x ^3 - 2x ^2 +...