Simple Equation in One Variable - JSS1 Mathematics Past Questions and Answers - page 1
Which of the following is an example of a simple equation in one variable?
3𝑥+2𝑦=5
2𝑥2−3=0
4𝑥𝑦=8
What does absolute equality in mathematics refer to?
Two expressions are equivalent under specific conditions.
Two expressions refer to the same entity or object.
Two expressions are precisely the same without any exceptions
Which type of equality checks whether two references point to the same memory location?
Referential equality
Referential equality
Absolute equality
When solving 𝑥2=9, how many solutions does it have?
One solution: 𝑥=9
Two solutions: 𝑥=3 and 𝑥=−3
No solutions
What does conditional equality depend on?
Specific constraints or contexts
Two expressions being precisely the same
Two expressions referring to the same object
Verify if 𝑥=4 satisfies the equation 2𝑥−1=7.
𝑥=4 satisfies the equation because 2x4−1=8−1=7.