5003 Praxis Practice Test Practice Question
What is the value of the expression 3y-7 when y = - 2?
Correct Answer: -13
Rationale: To find the value of the expression 3y - 7 when y = -2, substitute -2 for y. This gives us 3(-2) - 7, which simplifies to -6 - 7, resulting in -13.
Other options might include values like -11 or -9, which could arise from incorrect calculations, such as failing to properly multiply 3 by -2 or miscalculating the subtraction. It’s essential to follow the order of operations accurately to arrive at the correct result. Thus, substituting correctly and performing the arithmetic leads to the accurate value of -13.
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