Question 52 Answer and Explanation _ACT April 2017 Form 74F Math Section

Question 52 Answer and Explanation _ACT April 2017 Form 74F Math Section

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52. You are given the following system of equations:

$y={x}^{2}$

$rx+sy=t$

where r, s, and t are integers. For which of the following will there be more than one (x, y) solution, with real-number coordinates, for the system?

F. ${r}^{2}+4st/>0$

G. ${s}^{2}-4rt/>0$

H. ${r}^{2}-4st<0$

J. ${s}^{2}-4rt<0$

K. ${s}^{2}+4rt<0$

Answer and Explanation

Your Answer is

Correct Answer is F

Explanation