Plant Growth and Linear Relationships

Plant Growth and Linear Relationships

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video covers practice problems from lesson seven on linear relationships. It begins with solving recipe problems using equations and tables to determine the amount of flour needed based on sugar. The concept of proportionality is explained, followed by a comparison of recipe sweetness. Transformations and dilations are used to prove scaled copies of images. The video also covers writing equations for given slopes and calculating plant growth over time using proportional relationships.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the first recipe, if you have 4 cups of sugar, how many cups of flour do you need?

6 cups

5 cups

7 cups

8 cups

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the constant of proportionality tell you in a linear relationship?

The sum of x and y

The product of x and y

How many times y is different from x

The difference between x and y

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which transformation is NOT used to prove that one image is a scaled copy of another?

Subtraction

Reflection

Translation

Rotation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a line has a slope of 1/5, what does this mean for the change in y compared to x?

y changes by 5 times x

y changes by 1/5 of x

y changes by 1/2 of x

y changes by 2 times x

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does changing the y-intercept affect the graph of a line?

It changes the slope of the line

It rotates the line

It shifts the line up or down

It changes the length of the line

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial height of the plant when it is first planted?

10 inches

18 inches

15 inches

12 inches

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many months does it take for the plant to reach a height of 66 inches?

15 months

12 months

18 months

21 months

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