Full-Length PSAT 10 Math Practice Test
☐A. \(\frac{5}{39}\) ☐B. \(\frac{6}{39}\) ☐C. \(\frac{6}{13}\) ☐D. \(\frac{5}{6}\) 9- If a parabola with equation \(y=ax^2+6x+16\), where a is constant, passes through point \((-2, 8)\), what is the value of \(a^2\)? ☐A. 1 ☐B. 2 ☐C. 3 ☐D. 4 10- If \(a, b\) and c are positive integers and \(4a=6b=10c\), then the value of \(2a+3b-4c\) is […]
10 Most Common PSAT 10 Math Questions
☐B. \(14.5\) ☐C. \(14\) ☐D. \(13.5\) Best PSAT 10 Math Prep Resource for 2026 Answers: 1- CFirst, find the factors of numerator and denominator of the expression. Then simplify.\(\frac{5x^2+75x-80}{x^2-1}=\frac{5(x^2+15x-16)}{(x-1)(x+1)}\)\(\frac{5(x+16)(x-1)}{ (x-1)(x+1)}=\frac{5(x+16)}{ (x+1)} \)\(=\frac{(5x+80)}{ (x+1)} \) 2- AIf \(r=55→ \frac{x^2+6x-55}{x-5}\) = \(\frac{(x+11)(x-5)}{x-5}\) \(= x + 11\)For all other options, the numerator expression is not divisible by \((x-5)\). […]
