1. Equations and Inequalities

Determine the number and type of solutions of the given quadratic equation. Do not solve. 

$-4x^2+4x+5=0$

Determine the number and type of solutions of the given quadratic equation. Do not solve. 

$x^2+8x+16=0$

Solve the given quadratic equation using the quadratic formula. $2x^2-3x=-3$

Solve the given quadratic equation using the quadratic formula. $3x^2+4x+1=0$