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4 years ago

What is the difference between algebraic expression and algebraic equation?

Mathematics

2 answers:

FinnZ [79.3K]4 years ago

6 0

Answer:

All equations have a equal sign while expressions have no equal sign. Some people say that equations and expressions are the same thing. That is not true.

Step-by-step explanation:

Paul [167]4 years ago

4 0

Answer:

Step-by-step explanation:

All equations have a equal sign while expressions have no equal sign. Some people say that equations and expressions are the same thing. That is not true.

Here’s an example.

Equations:

y=3x+3^2 (this is a linear equation)

f(x)=5x-3 (this is a Quadratic Equation)

expressions:

3x+3 (this is a simplified expression)

3x+4z-3a+-3(3x+2) (this is a extended expression)

Equations and expressions are not the same thing. Some people say this is true, but it is not. It may be true but equations have an equal sign. Expressions don’t have an equal sign because equations are able to be graphed and to evaluated. Expressions are able to be simplified and evaluated. Expressions and equations are different.

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An arithmetic sequence has this recursive formula:

ankoles [38]

Hello!

The recursive rule for an arithmetic sequence: $a_{n} = a_{n-1} + d$ .

The explicit rule for an arithmetic sequence: $a_{n}=a_{1} +d(n-1)$ .

$a_{n}$ is the value you are trying to find, or simply the answer. :)

$d$ is the common difference of the sequence.

$a_{1}$ is the first term of the sequence.

Given, $a_{1} = 8$ and $a_{n}=a_{n-1} - 6$ ...

The common difference is -6, and the first term is 8.

Plug these values into the explicit rule for an arithmetic sequence, you get:

$a_{n}=8+(-6)(n-1)$ .

Therefore, the answer is A, $a_{n}=8+(n-1)(-6)$ .

If you wondered why, $a_{n}=8+(-6)(n-1)$ is equal to $a_{n}=8+(n-1)(-6)$ , the Commutative Property of Multiplication states that when two numbers are multiplied together, the answer is the same regardless of the order of the numbers, which makes $a_{n}=8+(-6)(n-1)$ and $a_{n}=8+(n-1)(-6)$ equal to each other.

4 0

4 years ago

Read 2 more answers

Page No.

Alja [10]

Answer:

The other angle is 60°

Their ratio is 1 : 2

Step-by-step explanation:

Let us revise some special angles

A pair of complementary angles is two angles their sum is 90°

A pair of supplementary angles is two angles their sum is 180°

In the question

∵ One angle of the pair of complementary angle = 30°

∵ The sum of the two complementary angles = 90°

→ Subtract 30° from 90° to find the other angle

∴ The other angle = 90° - 30° = 60°

∴ The other angle is 60°

To find the ratio of them put them in the form of the ratio, then simplify the ratio to its simplest form

∵ Their ratio = 30 : 60

→ Divide both sides by 10

∴ Their ratio = 3 : 6

→ Divide both sides by 3

∴ Their ratio = 1 : 2

∴ Their ratio is 1 : 2

3 0

3 years ago

I NEED HELP PRONTO PLEASE

Ad libitum [116K]

Use photo math or socratic

5 0

3 years ago

The following diagram shows parallel lines cut be a transversal. What is the measure of Angle 2?

Crank

2x + 100 = 5x + 55
3x = 45
x = 15

2(15) + 100 = 130

180-130 = 50

so angle 2 is 50 degrees

3 0

3 years ago

Draw a line representing the "rise" and a line representing the "run" of the line. State

antoniya [11.8K]

Answer:

Answers are below

Step-by-step explanation:

The rise of the line is -5 units. The run is 4 units. The slope of the line is -5/4.

If these answers are correct, please make me Brainliest!

7 0

3 years ago