2

3

4

0

greater than

less than

greater than or equal to

less than or equal to

x = 2, x = -5

x = -2, x = 5

x = -2, x = -5

x = 2, x = 5

$\frac{4}{3}$

$\frac{3}{4}$

4

12

 $10\sqrt{2}$  

 $\sqrt{75}$  

 $5+5\sqrt{2}$  

 $25\sqrt{2}$  

 $3x^2-10x=12$  

 $3x^2+10x=12$  

 $3x^2+10x-12=0$  

 $3x^2-10x+12=0$  

 $\pm13$  

13

-13

 $\sqrt{13}$  

Direct

Combined

Inverse

Joint

1 real rational root

2 distinct real irrational roots

2 distinct imaginary roots

2 distinct real rational roots

imaginary

real rational

positive

negative

radicand

discriminant

solution

index

$\frac{7}{5}$

$\frac{5}{7}$

12

35

A

A and B

A and C

none of the above

$2x^2+6x-3>5$

$3x^2-4x\le7$

both a and b

neither a nor b

quadratic inequality

standard form of equation

radical formula

quadratic formula

x = 20

x = 286

x = 3

x = 292