$-4.\right)$ What is the solution set of the quadratic inequality $x^{2}-x-20>02$ $A$ $\left(\dfrac {x} {x}>5orx<-4\right)$ C. $\left(x/-4<x<5\right)$ B. $\left(\dfrac {x} {x}>-5orx<4\right)$ D. $\left(x/-4<x<-5\right)$

1. MULTIPLE CHOICE. Read each statement carefully then $cn0osG$ the letter of the correct answer. 1. Which of the $fo11oming$ is $NOTa$ an example of quadratic inequality? B. y< $0.6x$ C. 5x < 2x -3 A. 2x2 > $9x+18$ $6x^{2}+3x+2$ D. x 21 $2$ What is the equivalent inequality of the statement "x is greater than 5 but less than $20^{n}2$ A. x> B. 5 $5<20$ $x>20$ C. D. $x<20>5$ $5<x<20$ 3. Given the inequality $x^{2}-11x+30<$ 0, what are the factors of the quadratic A. expression? $\left(x+$ B. (x $6^{6\right)\left(x+5\right)}$ $\right)\left($ $x$ $-$ $5\right)$ C. D. $\left(x+6\right)\left(x-5\right)$ $\left(x-6\right)\left(x+5\right)$ 4. Which of the following is a solution of the quadratic inequality - $4x+1\geq 07$ $x^{2}$ $A$ $B_{wn}$ 1 O C. 3 2 D. 5. are the critical points of the quadratic inequality $2x^{2}>9x+187$ A. 2 C. and 2 $\dfrac {1} {2}and$ $\dfrac {3} {2}and$ $\dfrac {-3} {2}$ $\dfrac {-3} {2}$ B. 6 D. - and 6

$\left(-62\right)$ $0$ $6$ 22) ) $8$ $4$ $3o$ $αn0$ $00ans$ sets $s$ the solution set of the quadratic inequality $A$ $8$ $x^{2}-7x-8\geq 07$ $\left(-\infty -1\right)\left(8\infty \right)$ $\infty -1\right)\left(8\infty \right)$ $c$ $0$ $\left(-\infty $ $\left(-$ $1118$ $\infty \right)$ $\infty \right)$ $-1\right)18$ 5. Which of the following $0$ sets $s$ the solution set of the quadratic inequality