Astudent is attempting to evaluate the literal equation below. which statement best applies to the sample mathematical
work shown?
given: w+ xy + 3x2 = 2 and x = 2 y, find w when y = -2.
step 1: i first substitute y = -2 into x = 2 y, yielding x = 2(-2).
step 2: i simplify the expression, resulting in r = 4.
step 3: i substitute r = 4 and y = -2 into w+ xy + 3x² = 2 a
w+44-2)+3(4)2 = 2
step 4: i use order of operations to simplify and get w- 8+48 =
so w = -38.
a. the student's substitution in step 1 is invalid or incorrect.
b. the simplification performed in step 2 is invalid or incorrect.
c. raising 4 to the second power in step 3 before multiplying it by 3 is an invalid or incorrect.
d. the mathematical work is correct as written

d

step-by-step explanation:

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must hold a learner's license for at least 12 months or until the 18th birthday.

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a parent, legal guardian, or responsible adult over 21 years old must certify that the driver has 50 hours driving experience, including 10 hours of night time driving.