Quadratics Day 2

Quadratics Day 2

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Multiple Choice

 $x^2-25=0$  Solve for x:

•  $\pm25$  

•  $25$  

•  $\pm5$  

•  $5$  

Multiple Choice

 $16x^2-9=0$  solve for x:

•  $\frac{9}{16}$  

•  $\pm\frac{3}{4}$  

•  $\pm\frac{4}{3}$  

•  $\frac{16}{9}$  

Multiple Choice

 $\left(x-1\right)^2=36$  solve for x:

•  $7,-5$  

•  $-7,\ 5$  

•  $37$  

•  $35$  

Multiple Choice

 $2\left(x-3\right)^2=32$  : solve for x

•  $-1,\ 7$  

•  $19,\ -13$  

•  $\pm\sqrt{32}$  

•  $3\pm\sqrt{32}$  

Multiple Choice

 $x^2+49=0$  Solve for x:

•  $\pm49$  

•  $\pm i49$  

•  $\pm7$  

•  $\pm7i$  

Multiple Choice

 $\left(x-5\right)^2=-81$  solve for x

•  $\pm9i$  

•  $-5\pm9i$  

•  $5\pm9i$  

•  $5\pm81i$  

Multiple Choice

What value of c would make this a perfect square trinomial?
x² - 12x + c

• 36
• 24
• 144
• -36

Multiple Choice

Complete the Square
x² - 12x

• (x + 6)² + 12
• (x - 6)² - 24
• (x - 6)² - 12
• (x - 6)² - 36

Multiple Choice

What value of c would make this a perfect sqaure trinomial?
x² +8x + c

• 4
• 16
• 64
• -16

Multiple Choice

Complete the Square
x² + 6x + 5

• (x + 3)² - 4
• (x + 6)² - 4
• (x + 3x)² - 4
• (x + 3)² + 9

Multiple Choice

Solve
x² + 2x - 24 = 0

• x = -6, x = 4
• x = 6, x = -4
• x = 12, x = -2
• x = 8, x = -3

Multiple Choice

Solve 

(x −11)(5x + 1) = 0

• x = 11 or x = $-\frac{1}{5}$

• x = −11 or x = $-\frac{1}{5}$

• x = 11 or x = $\frac{1}{5}$

• x = −11 or x = $\frac{1}{5}$

Poll

On a scale of 1 to 5, How are you feeling about solving quadratics? (1 = totally confused, 5 = I completely understand)

• 1

• 2

• 3

• 4

• 5