Evaluate the following algebraic expression using x = 3, y = -2, z = 4.
1. x + y + z
2. 5x² - 4xy + z²
3. y³ + (x² - 2z)
4. 4 (x + y)² + 4x -3z
5. ½ x² - ⅓ y² + z
pa help yung matinong answer sana :)
1. x + y + z
2. 5x² - 4xy + z²
3. y³ + (x² - 2z)
4. 4 (x + y)² + 4x -3z
5. ½ x² - ⅓ y² + z
pa help yung matinong answer sana :)
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Answer:
1. 3+-2+4= 5
2.5(3)²-4(3)(-2)+4²
=5(9)- 4(-6)+16
=45 - (-24) +16
=69+16
=85 this is the final answer
3.-2³+(3²-2(4))
=-8 +(9-2(4))
=-8 + ( 9 - 8)
=-8+1
=-7
4. 4 (3+(-2))² + 4(3) -3(4)
= 4(1)² + 12-12
=4(2)
= 8
I hope it will help you and you should try to solve no. 5 : )
Step-by-step explanation:
first you need to subtitute the variable to a number that given.:)
or just follow this pattern in solving algebraic
PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). this is the pattern to solve the formulation like that.:)