Mathematics, 26.09.2019 01:30 kay4173

Britney is solving a quadratic equation. her first
step is shown below.
problem: 3x^2– 8-10x = 3(2x + 3)
step 1: 3x2^2 - 10x - 8 = 6x + 9
which two properties did britney use to get to step
1?
i addition property of equality
ii. commutative property of addition
iii. multiplication property of equality
iv. distributive property of multiplication
over addition
1) i and ii
2) i and iv
3) ii and iii
4) ii and iv

Britney is solving a quadratic equation. her first step is shown below. problem: 3x^2–

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:00, Damani14

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Answers: 2

continue

Mathematics, 21.06.2019 18:00, wbrandi118

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Answers: 2

continue

Mathematics, 21.06.2019 20:30, 20calzoy

Venita is sewing new curtains. the table below shows the relationship between the number of stitches in a row and the length ofthe row. sewingnumber of stitches length (cm)51 131532024306what is the relationship between the number of stitches and the length? othe number of stitches istimes the length. o. the number of stitches is 3 times the length.

Answers: 2

continue

Mathematics, 21.06.2019 21:30, Caixiayang3613

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

Answers: 1

continue

You know the right answer?

Britney is solving a quadratic equation. her first
step is shown below.
problem: 3x^2–...