Diagnostic Test in General Mathematics

The factors of x2 -7x+10 is

• (x+5) (x-2)

• (x-5)(x-2)

• (x-5)(x+2)

• (x+5)(x+2)

Which of the following expressions is not equal to x?

• (x+x)/2

• (2x-x)x

• x2/x

• 2x-x

Tags

CCSS.8.EE.C.7A

 $\left(-7x^2\right)\left(-2x^{\frac{1}{2}}\right)$  

• 
  

   $-14x^{\frac{5}{2}}$  

•  $-14x^{\frac{3}{2}}$  

•  $14x^{\frac{3}{2}}$  

•  $14x^{\frac{5}{2}}$  

Tags

CCSS.HSA.APR.A.1

A six degree-polynomial with 4 terms.

• $3a^3+a^2+a-3$

• $3a^4+a^2+a-3$

• $3a^6+a^2+a-2$

• $3a^5+a^2+a-4$

(3x-2)(2y) =

• 6xy+4y

• 5xy-4y

• 5xy+4y

• 6xy-4y

Tags

CCSS.HSA.APR.A.1

 $\left(3x^2\right)\left(2x\right)$  

•  $6x^3$  

• 6x

•  $5x^6$  

•  $6x^2$  

Tags

CCSS.HSA.APR.A.1

 $\left(3x^2+2x+3^{ }\right)-\left(3x^2+2x+3\right)$  

•  $6x^2+4x+6$  

•  $6x^2-4x-6$ 

•  $6x^2+4x-6$  

• 0

Tags

CCSS.HSA.APR.A.1

 $What\ is\ the\ simplified\ form\ ofthe\ \exp ression\left(-a\right)^{11}?$  

•  $-a^{11}$  

•  $a^{11}$  

• 11a

•  -a

 $\left(27a^nb^m\right)\left(2a^nb\right)=$  

•  $54a^nb^{m+1}$  

•  $54a^{2n}b^{m+1}$  

•  $54a^{2n}b^m$  

•  $54a^{2n}b^{mn}$  

Tags

CCSS.HSA.APR.A.1

Simplify: (a-b)(a+b)

• $a^2-b^2$

• $a^2-2a^2b+b^2$

• $a^2+2ab+b^2$

• $a^2+b^2$

Tags

CCSS.HSA.APR.A.1