HA2 Review 2.4-2.6

Simplify:

(4 – 3i)(-7 – 2i)

• A. -23 + 13i

• B. -23 - 29i

• C. -34 + 13i

• D. -34 - 29i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

(3-5i)(3+5i)

• -16

• 34+30i

• 34

• 8

Tags

CCSS.HSN.CN.A.2

Factor completely:  $-4x^2+12x$  

•  $-4x\left(x-3\right)$  

•  $-4x\left(x+3\right)$  

•  $x\left(4x+12\right)$  

•  $-4\left(x+3\right)^{2\ }$  

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor completely:  $-18x^2-21x+60$  

•  $-3\left(2x+5\right)\left(3x-4\right)$  

•  $-3\left(3x+4\right)\left(2x-5\right)$  

•  $\left(3x+5\right)\left(x+2\right)$  

•  $\left(2x+5\right)\left(3x-4\right)$  

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

Solve  $3x^2+2x=4$  

•  $x=\frac{-1\pm\sqrt{13}}{3}$  

•  $x=\frac{-1\pm2i\sqrt{11}}{3}$  

•  $x=\frac{-1\pm2\sqrt{13}}{3}$  

•  $x=\frac{-1\pm i\sqrt{11}}{3}$  

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

Write equation $x^2+24x+204=0$  into the form  $\left(x+p\right)^{2\ }=q$  

•  $\left(x+12\right)^2=84$  

•  $\left(x+12\right)^2=-60$  

•  $\left(x+12\right)^{2\ }=204$  

•  $\left(x+6\right)^{2\ }=-24$  

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Rewrite into vertex form $y=x^{2\ }+3x+1$  

•  $y=\left(x+\frac{3}{2}\right)^2-\frac{7}{2}$ 

•  $y=\left(x+\frac{3}{2}\right)^2-\frac{5}{4}$  

•  $y=\left(x+3\right)^2-8$  

•  $y=\left(x+\frac{3}{2}\right)^2+\frac{7}{2}$  

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.IF.C.8

Simplify the following expression:

• 
• 
• 
• 

Tags

CCSS.HSN.CN.A.3

Simplify

• $\frac{-7-3i}{10}$

• $\frac{-4-3i}{7}$
  

• $\frac{6i}{7}$
  

• $\frac{3-4i}{-7}$
  

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.3

Simplify

• A

• B

• C

• D

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.3