What are equivalent expressions?

What are equivalent expressions? Equivalent expressions are expressions that work the same even though they look different. If two algebraic expressions are equivalent, then the two expressions have the same value when we plug in the same value(s) for the variable(s).

What is an example of an equivalent expression?

Examples of Equivalent Expressions 3(x + 2) and 3x + 6 are equivalent expressions because the value of both the expressions remains the same for any value of x. 3x + 6 = 3 × 4 + 6 = 18. and can also be written as 6(x2 + 2y + 1) = 6×2 + 12y + 6. In this lesson, we learn to identify equivalent expressions.

Which equation is equivalent to log2n 4?

The correct answer is B) 16.

Which expression is equivalent to FG )( 4 )?

Thus, the expression (f + g)(4) is equal to f(4) + g(4).

What is this expression equivalent to A -> B?

Hence, a. (a+b) is equivalent to a2+ab.

How do you write an equivalent expression in standard form?

Two algebraic expressions are equivalent if they always lead to the same result when you evaluate them, no matter what values you substitute for the variables. For example, if x = 3, then x + x + 4 = 3 + 3 + 4 = 10 and 2x + 4 = 2(3) + 4 = 10 also.

How do you change log base 2 to log 4?

0:012:16Solve log(base2)(x+1)-log(base4)x=1 – YouTubeYouTubeStart of suggested clipEnd of suggested clipThis one into a base 2. And the way to do that is to use the change of base formula. So that equalsMoreThis one into a base 2. And the way to do that is to use the change of base formula. So that equals instead of the log of X over the log of 4.

How do you solve log ab?

log(a/b) = log a -log b, a > 0, b > 0. log an = n (log a) (Logarithm of a power). logx y = logmy / logmx (Change of base rule). logx y = 1 / logy x .

How do you solve log questions?

How to Solve Log Problems:Step 1: Use Known Log Rules. … Step 2: Solve Equation. … Step 3: Check Solutions. … Step 1: Use Known Log Rules. … Step 2: Simplify. … Step 3: Solve Equation. … Step 4: Check Solutions. … Step 1: Simplify.More items…

What is the value of f/g )( 5 )?

Therefore, (f/g)(5) is 270.

What is the value of f/g )( 8?

Summary: If f(x) = 3 – 2x and g(x) = 1/x + 5, then the value of (f/g)(8) value is -169.

How do you calculate FG?

0:005:16How to Find f + g, f – g, fg, and f/g and the Domain of Each – YouTubeYouTubeStart of suggested clipEnd of suggested clipSo the correct notation for F plus G would be f plus G of X. And. So by definition this is equal toMoreSo the correct notation for F plus G would be f plus G of X. And. So by definition this is equal to f of X plus G of X.

How do you solve equivalent expressions?

0:523:41How to find equivalent expressions – YouTubeYouTubeStart of suggested clipEnd of suggested clipBasically you distribute. So in this example you have a on the outside you can’t add B and CMoreBasically you distribute. So in this example you have a on the outside you can’t add B and C together. So you distribute that a. So this becomes a times B which is equal to a B. And then a times C.

What is an equivalent equation?

Equivalent equations are algebraic equations that have identical solutions or roots. Adding or subtracting the same number or expression to both sides of an equation produces an equivalent equation. Multiplying or dividing both sides of an equation by the same non-zero number produces an equivalent equation.

What is an equivalent expression calculator?

Equivalent Expression Calculator is a free online tool that displays the equivalent expressions for the given algebraic expression. BYJU’S online equivalent expression calculator tool makes the calculations and simplification faster and it displays the equivalent expression in a fraction of seconds.

Which expression is equivalent to sine of 7pi 6 )?

The value of sin 7pi/6 in decimal is -0.5. Sin 7pi/6 can also be expressed using the equivalent of the given angle (7pi/6) in degrees (210°). Since the sine function is a periodic function, we can represent sin 7pi/6 as, sin 7pi/6 = sin(7pi/6 + n × 2pi), n ∈ Z.

How does Sal find equivalent expressions?

Sal finds equivalent expressions by combining like terms and using the distributive property.

Why do brackets and parentheses have to include the other one?

Brackets [] and Parentheses () both have to include the other one because you could see both. It also reminds us that division and multiplication are on the same level, so generally done left to right. Also, addition and subtraction are on the same level left to right.