Podcast
Questions and Answers
Evaluate the expression $\frac{16}{x} + 2y$ for $x = 8$ and $y = 3$. What is the result?
Evaluate the expression $\frac{16}{x} + 2y$ for $x = 8$ and $y = 3$. What is the result?
- 6
- 8
- 10
- 12 (correct)
Which statement is incorrect for the algebraic expression 20z?
Which statement is incorrect for the algebraic expression 20z?
- 20 times z
- The product of z and 20
- 20 divided by z (correct)
- z multiplied by 20
What equation represents 20 more than a number y that equals 18?
What equation represents 20 more than a number y that equals 18?
- y - 18 = 20
- 20y = 18
- y - 20 = 18
- y + 20 = 18 (correct)
Which value for variable p solves the equation 16 + p = 20?
Which value for variable p solves the equation 16 + p = 20?
What is the solution for c in the equation 2c - 1 = 10?
What is the solution for c in the equation 2c - 1 = 10?
How can you express the division of the sum of a, b, and c by 8 equating to 4 algebraically?
How can you express the division of the sum of a, b, and c by 8 equating to 4 algebraically?
If you take out twenty from me, I get halved. What am I?
If you take out twenty from me, I get halved. What am I?
What represents the correct statement form for the equation a - $\frac{3}{2}$ = b?
What represents the correct statement form for the equation a - $\frac{3}{2}$ = b?
Flashcards
Algebraic Expression
Algebraic Expression
A mathematical expression that combines numbers, variables, and operations to represent a relationship.
Variable
Variable
A symbol that represents an unknown value in an equation.
Constant
Constant
A fixed value that does not change in an algebraic expression.
Equation
Equation
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Solution
Solution
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Commutative Property of Multiplication
Commutative Property of Multiplication
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Trial and Error Method
Trial and Error Method
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Evaluating an Expression
Evaluating an Expression
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Study Notes
Level 1 Multiple Choice Questions
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Question 1: Evaluate the expression ½x + 2y for x = 8 and y = 3. Possible answers are 10, 8, 12, and 6. Correct answer is 12.
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Question 2: What statement does not describe the expression 20z? Possible statements are: z multiplied by 20, 20 times z, 20 divided by z, and the product of z and 20. The incorrect one is 20 divided by z.
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Question 3: Find p if 16 + p = 20. Possible answers are 14, 4, 26, and -26. Correct answer is 4.
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Question 4: Equation for 20 more than y equals 18? Possible answers are y - 20 = 18, y + 20 = 18, y - 18 = 20, and 20y = 18. Correct answer is y + 20 = 18.
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Question 5: Identify variable and constant in 20x - 11y. Constants are 20 and -11. Variables are x and y.
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Question 6: For which equation is c = 5 not a solution? Possible equations are 2c + 1 = 11, 2c - 1 = 10, 3c + 2 = 17, and c/5 + 1 = 2 . Correct answer is 2c - 1 = 10.
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Question 7: If a = ½ and b = ¼, find the expression 16a + 8b - 10. The answer is 0.
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Question 8: Express "15 taken away from the product of x and y." The answer is xy - 15.
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Question 9: Equation for dividing 10 chocolates equally among 2 people, where x is the number of chocolates each gets. The answer is x = 10 ÷ 2.
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Question 10: If you take 20 from a number and get half the original number, what is the original number? Possible answers are 20, 40, 10, and 80. Correct answer is 40.
Additional Questions
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Question 11: Find the solution to 5x - 10 = 15 (trial and error). Correct answer is 5.
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Question 12: Number to add to y - 8 = 6 to get the answer for y. Correct answer is 6.
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Question 13: Which is an equation: 2x = 6, 20 = 5y, t-7 > 5,... Correct answer is 20 = 5y.
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Question 14: If x bananas are distributed among 8 children equally, how much does each get? Correct answer is (x/8).
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Question 15: Algebraic representation for dividing the sum of three numbers (a, b, and c) by 8 to equal 4. Correct answer is (a+b+c)/8 = 4.
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Question 16: Commutative property of multiplication in terms of variables x and y. Correct answer is x × y = y × x.
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Question 17: Find the value of (4m - 3)/6 when m = 9. Correct answer is 14/6.
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Question 18: Write "a - 3/2 = b" in statement form. Correct expression is "a minus 3 halves equals b."
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Question 19: Determine the number of matchsticks in the nth pattern (visual patterns provided – missing information for answer).
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