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1958 AMC 12 Question 7

AMC12 · 1958 AMC 12

Question 7

A straight line joins the points $(-1,1)$ and $(3,9).$ Its $x$-intercept is:
  1. $-\dfrac32$
  2. $-\dfrac23$
  3. $\dfrac25$
  4. $2$
  5. $3$