ID: nujij-hojit
Subject: Math

20 questions

# #25 -- TEST UNIT 1: Mathematical Operations

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1) Write the Expression in STANDARD FORM.

﻿$-5x^{2}+2x+3x^{3}-6$﻿

2) Simplify by Combining Like Terms

﻿$6x^{2}+7x^{2}$﻿

3) Simplify by Combining Like Terms

﻿$4+9x-2+3x$﻿

4) Simplify by Combining Like Terms

﻿$5x^{2}+6x+1+5x^{2}+4x-8$﻿

5) Given: ﻿$f(x)=x^{2}+5x+6\ \ \ \&\ \ \ g(x)=2x-3$﻿

Find: ﻿$f(x)+g(x)$﻿

6) Given: ﻿$f(x)=x^{2}+5x+6\ \ \ \&\ \ \ g(x)=2x-3$﻿

Find: ﻿$f(x)-g(x)$﻿

7) Given: ﻿$f(x)=x^{2}+5x+6\ \ \ \&\ \ \ g(x)=2x-3$﻿

Find: ﻿$f(x)+f(x)$﻿

8) Given: ﻿$f(x)=x^{2}+5x+6\ \ \ \&\ \ \ g(x)=2x-3$﻿

Find: ﻿$g(x)-f(x)$﻿

9) Given: ﻿$2x^{2}+3x+6$﻿

Evaluate: ﻿$x=6$﻿

10) Given: ﻿$2x^{2}+3x+6$﻿

Evaluate: ﻿$x=-3$﻿

11) Given: ﻿$f(x)=4x^{2}-9$﻿

Find: ﻿$f(-3)$﻿

12) Simplify: ﻿$x^{7}\times x^{2}$﻿

13) Simplify: ﻿$(4x^{2}y^{3})^{5}$﻿

14) Simplify: ﻿$(\frac{x^{2}y^{9}}{x^{5}y^{7}})^{2}$﻿

15) Simplify: ﻿$8(3x^{2}+2x+4)$﻿

16) Simplify: ﻿$(x-4)(x-9)$﻿

17) Simplify: ﻿$(2x+3)(5x-1)$﻿

18) Factor: ﻿$x^{2}-10x+21$﻿

19) Factor: ﻿$x^{2}-3x-4$﻿

20) Factor: ﻿$2x^{2}+16x+24$﻿