test worth 70 points; test score of 90% write a proportion to find how many points a student needs to earn on the test to get th
1 answer:
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Answer:
yes, ±2
Step-by-step explanation:
The x-intercepts are found by setting y=0 and solving for x:
x^2/4 = 1
x^2 = 4
x = ±√4
x = ±2
The x-values of interest are -2 and +2.
