Determine the number and type of solutions for the equation \( -5 x^{2}-11 x-2=0 \) One repeated rational-number solution Two different irrational-number solutions Two imaginary-number solutions One repeated irrational-number solution Two different rational-number solutions

Determine the value(s) of k for which the equation \( \frac{1}{\mathrm{k}}=\mathrm{x}^{2}-\mathrm{x}+1 \) where \( \mathrm{k} \neq 0 \) has real roots.

EXERCICE 1 - 1 (3 points) Forme canonique et variation Soit la fonction trinôme \( f \) suivante : \( f(x)=2 x^{2}+12 x+53 \). 1) Déterminer la forme canonique de \( f(x) \). 2) En déduire les variations de \( f \) et dresser le tableau de variation de \( f \). 3) D'après le tableau de variation de \( f \), la parabole représentant \( f \) coupe-t-elle l'axe des abscisses? Pourquoi?

Part-II: Fill in the blank space by short answer only (1pt each) 5. What is the negation of; Every student in this class likes mathematics. 6. The GCF and LCM of two numbers are 3 and 180 respectively. If one of the numbers is 12, then the second number is.

What does the exponent in an expression indicate?

Simplify the radical expression: \( \sqrt{50x^2} \)