5 Questions
Solve the following equation: $4x + 7 = 31$
$x = 6$
Simplify the expression: $(2/3) + (5/6) - (1/2)$
$1/2$
Which of the following numbers is a prime number
31
Calculate the product of 5.2 and 3.6.
15.2
Solve the following fraction equation: $(3/4) * x = 9$
$x = 12$
Study Notes
Solving Linear Equations
- To solve the equation $4x + 7 = 31$, subtract 7 from both sides and divide both sides by 4, resulting in $x = 6$.
Simplifying Expressions
- To simplify the expression $(2/3) + (5/6) - (1/2)$, find a common denominator, which is 6, and convert each fraction to have a denominator of 6: $(4/6) + (5/6) - (3/6) = (6/6) = 1$.
Prime Numbers
- A prime number is a positive integer that is divisible only by itself and 1.
- Among the options, the prime number is: 7.
Multiplying Decimals
- To calculate the product of 5.2 and 3.6, multiply the numbers: 5.2 × 3.6 = 18.72.
Solving Fraction Equations
- To solve the equation $(3/4) * x = 9$, multiply both sides by 4/3, resulting in $x = 12$.
Test your math skills with this quiz! Solve equations, simplify expressions, identify prime numbers, calculate products, and solve fraction equations. Choose the correct answers from the given options and see how well you fare in these math challenges.
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