Order of Operations / LCM / GCF / Fractions 1 — Heart of Algebra

Questions in this quiz (6)

1. Evaluate $$4(3+6)^2-5$$.

   • $$31$$
   • $$220$$
   • $$319$$
   • $$76$$

2. Evaluate $$-\sqrt{\frac{49}{16}}$$.

   • $$-\frac{49}{4}$$
   • $$-\frac{7}{4}$$
   • $$\frac{7}{16}$$
   • $$\frac{7}{4}$$

3. Simplify $$7(x^2)-3(x-4)$$.

   • $$7x^2+3x-12$$
   • $$7x^2+3x-4$$
   • $$7x^2-3x-4$$
   • $$7x^2-3x+12$$

4. Evaluate $$(3+5)^2-\frac{18}{3}$$.

   • $$2$$
   • $$29$$
   • $$58$$
   • $$64$$

5. Expand and simplify:$$7k(3k-2)^2$$

   • $$9k^2-12k+4$$
   • $$63k^2-84k+28$$
   • $$63k^3-84k^2+28k$$
   • $$9k^3-12k^2+4k$$

6. Simplify $$(3x-4)(5+2x)$$.

   • $$6x^2+7x+20$$
   • $$6x^2+7x-20$$
   • $$6x^2+23x+20$$
   • $$6x^2-7x+20$$