{{asɛmtiNe Ɔkyerɛwfo}} | Nhomakorabea | Nneɛma a ɛma wotumi yɛ ade

4.2.1 Solving Systems of Equations Using Substitution

1

8a + a - 3 = 6a - 2a - 3

1

(m + 2)(m + 3) = (m + 2)(m - 2)

1

i

ii

iii

iv

1

part b Solve the system of equations above to determine how many touchdowns and how many field goals the Fabulous Footballers had last night.

4 touchdowns and 9 field goals

4 touchdowns and 4 field goals

9 touchdowns and 4 field goals

9 touchdowns and 9 field goals

1

4-39 Yesterday Mica was given some information and was asked to find a linear equation. But last night her cat destroyed most of the information! Complete the table and graph the line that represents Mica’s rule.

1

Mica thinks the equation for this graph could be 2x+y=−3. Is she correct?

No, neither of the points would make the equation true

No, only one of the points make the equation true

Yes, both (-3, 3) and (-2, 1) Make the equation true

1

Kevin

Katy

1

How do you know?

1

Alg 4.2.1 HW 4-36 to 4-41

Alg 4.2.1 HW 4-36 to 4-41

8a + a - 3 = 6a - 2a - 3

(m + 2)(m + 3) = (m + 2)(m - 2)

part b Solve the system of equations above to determine how many touchdowns and how many field goals the Fabulous Footballers had last night.

4-39 Yesterday Mica was given some information and was asked to find a linear equation. But last night her cat destroyed most of the information! Complete the table and graph the line that represents Mica’s rule.

Mica thinks the equation for this graph could be 2x+y=−3. Is she correct?

How do you know?

4-36 Ms. Hoang’s class conducted an experiment by rolling a marble down different length slanted boards and timing how long it took. The results are shown at right. Describe the association by selecting the true statements
below.

8a + a - 3 = 6a - 2a - 3

(m + 2)(m + 3) = (m + 2)(m - 2)

part b Solve the system of equations above to determine how many touchdowns and how many field goals the Fabulous Footballers had last night.

4-39 Yesterday Mica was given some information and was asked to find a linear equation. But last night her cat destroyed most of the information! Complete the table and graph the line that represents Mica’s rule.

Mica thinks the equation for this graph could be 2x+y=−3. Is she correct?

How do you know?

Alg 4.2.1 HW 4-36 to 4-41

Alg 4.2.1 HW 4-36 to 4-41

8a + a - 3 = 6a - 2a - 3

(m + 2)(m + 3) = (m + 2)(m - 2)

part b Solve the system of equations above to determine how many touchdowns and how many field goals the Fabulous Footballers had last night.

4-39 Yesterday Mica was given some information and was asked to find a linear equation. But last night her cat destroyed most of the information! Complete the table and graph the line that represents Mica’s rule.

Mica thinks the equation for this graph could be 2x+y=−3. Is she correct?

How do you know?

4-36 Ms. Hoang’s class conducted an experiment by rolling a marble down different length slanted boards and timing how long it took. The results are shown at right. Describe the association by selecting the true statements below.

8a + a - 3 = 6a - 2a - 3

(m + 2)(m + 3) = (m + 2)(m - 2)

part b Solve the system of equations above to determine how many touchdowns and how many field goals the Fabulous Footballers had last night.

4-39 Yesterday Mica was given some information and was asked to find a linear equation. But last night her cat destroyed most of the information! Complete the table and graph the line that represents Mica’s rule.

Mica thinks the equation for this graph could be 2x+y=−3. Is she correct?

How do you know?

4-36 Ms. Hoang’s class conducted an experiment by rolling a marble down different length slanted boards and timing how long it took. The results are shown at right. Describe the association by selecting the true statements
below.