Tag Archives: 2017 mtap reviewers grade 9

2017 Grade 9 Math Challenge – Elimination Round with answer key – Part I

Below are the 2017 Grade 9 Math Challenge – Elimination Round questions and answers – Part I. More reviewers can be found on the Past Tests and All Posts pages.

1.) Find the value of c that will make $x^2 - 20x + c$ a perfect square.

2.) Solve for x in $16x^2 - 10 = 15.$

3.) A number and its reciprocal have a sum of $\frac{13}{6}$. Find the larger of these two numbers.

4.) Solve for x in $(x^2 + 1)^2 + 2(x^2 + 1) - 35 = 0.$

5.) Solve the inequality $x^2 - 2x - 35 \leq 0$ for x.