Evaluating Functions and Expressions

Evaluating Functions and Expressions

Assessment

Interactive Video

Mathematics

6th - 8th Grade

Hard

Created by

Jackson Turner

FREE Resource

The video tutorial explains how to evaluate different types of functions by substituting specific values into the function rules. It covers polynomial, absolute value, cube, fractional, exponential, and reciprocal functions, demonstrating the process of substitution and simplification to find function values. The tutorial emphasizes the importance of following the order of operations and simplifying expressions to obtain the correct results.

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of evaluating f(x) = 3x^2 - x when x = -4?

60

56

52

48

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the value of t(n) = |n - 2| when n = -5?

2

5

3

7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of d(r) = (2r)^3 when r = -3?

216

108

-108

-216

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you simplify g(x) = 2/(3x) when x = -6?

-1/9

-1/6

1/9

1/6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of k(x) = 2^x when x = 3?

6

8

10

12

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you evaluate p(n) = 1/n^2 when n = -6?

1/12

1/18

1/24

1/36