In this lesson, we will learn how to evaluate simple and rational algebraic expressions with one or multiple variables and how to apply this to real-world problems.
Q1:
Evaluate 1 4 + π¦ 2 if π¦ = 6 .
Q2:
Evaluate 9 π β 6 2 , given that π = 1 0 .
Q3:
Given that π = 4 , determine the value of π β 8 3 .
Q4:
Given that π = 8 , determine the value of π 4 2 .
Q5:
If π = 2 1 . 4 , π = 2 3 . 4 , and π = 9 , evaluate π + π + π π to the nearest tenth.
Q6:
Evaluate 9 π β π + 3 for π = 2 and π = 5 .
Q7:
Evaluate 7 π π + 2 ( π + 5 ) for π = 3 and π = 1 2 .
Q8:
Evaluate π ( π β π‘ ) for π = 2 , π = 6 , and π‘ = 1 .
Q9:
Evaluate π π π‘ + 1 1 2 for π = 4 , π = 5 , and π‘ = 5 .
Q10:
A square has a side length of ( 5 π + π ) cm. Write an expression for its area and evaluate its area when π = 1 and π = 6 .
Q11:
Evaluate 6 ( π + π β π ) 2 given that π = 2 , π = 7 , and π = 6 .
Q12:
Evaluate π π β π if π = 5 6 , π = β 8 , and π = β 4 .
Q13:
Given that β π = 1 5 , find π + 4 .
Q14:
Evaluate 7 π π ( β π β ) for π = 1 1 3 , π = β 1 1 2 , β = 2 1 2 , and π = β 1 1 2 .
Q15:
Evaluate π π β π 2 for π = β 8 , π = β 7 , and π = β 9 .
Q16:
Evaluate π β π β π if π = 1 5 , π = β 1 5 , and π = 1 7 .
Q17:
Evaluate 6 π + π π if π = β 8 , π = β 6 , and π = 9 .
Q18:
Evaluate the expression π β 2 2 if π = β 1 2 5 and β = 1 2 3 .
Q19:
Evaluate π₯ π¦ in the simplest form if π₯ = 1 3 and π¦ = 6 7 .
Q20:
Evaluate 4 2 β 1 2 π₯ if π₯ = 3 .
Q21:
If π₯ = 2 3 , π¦ = 1 4 , and π§ = 1 2 , find π₯ π¦ π§ in its simplest form.
Q22:
Given that π₯ = 2 and π¦ = β 5 , find the value of π₯ π¦ 2 β 4 .
Q23:
If π₯ = 3 1 3 , π¦ = 5 8 and, π§ = 6 , find π§ Γ· ( π₯ π¦ ) .
Q24:
Evaluate 9 π₯ if π₯ = 1 5 .
Q25:
Evaluate π₯ π¦ if π₯ = 2 1 3 and π¦ = 3 1 2 .
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