Corrected: The correct answer to the final question, choice A, should have read 1 7/8 (one and seven-eighths).
South Carolina officials have been plastering the state with sample questions on high-stakes tests that students will begin taking next spring. Below are examples for 10th graders, whose tests will be phased in later.
Grade 10-Science
There are three alleles that determine blood type: A, B, and O. The A and B alleles are both dominant over O, but neither is dominant over the other. When A and B are both present in a genotype, they are co-dominant. This is why there are four different blood types: A, B, AB, and O.
Dan has type A blood. What is the probability that Dan and Joy will have a child with type O blood?
A. 0%
B. 25%
C. 50%
D. 75%
E. 100%
(Answer: B.)
A force of 50N and a force of 80N are applied to a boulder. If these vectors are added in any direction, which resultant force is not possible?
A. 130N
B. 80N
C. 50N
D. 30N
E. 20N
(Answer; E.)
Grade 10-Mathematics
There are 250 seniors in a class. Sixty percent have plans to go to college. Of those with plans to go to college, 40 percent plan to go to a college out of state. How many students plan to go to a South Carolina college?
A. 60
B. 90
C. 40
D. 150
E. 190
(Answer: B.)
DEF is the image of ABC under a dilation (or size change). What is the magnitude of the size change?
A. 17/8
B. 2
C. 3
D. 3.5
E. 4
(Answer: A.)
