Quiz about W.I.N. Day 1/23/24

Question 1

(u-5v)(u+5v)

Accepted Answer

u2-25v2

Answer

u2+25v2

Answer

u²-10uv+25v²

Answer

u²+10uv+25v²

Question 2

Simplify:
(x-7)²

Accepted Answer

x2-14x+49

Answer

x2-49

Answer

x2+49

Answer

x2-14x-49

Question 3

Factor:
x² + 5x - 24

Accepted Answer

(x + 8)(x - 3)

Answer

(x - 8)(x + 3)

Answer

(x + 6)(x - 4)

Answer

(x + 12)(x - 2)

Question 4

What are the factors of 3x²-17x+10

Accepted Answer

(x-5)(3x-2)

Answer

(x+5)(3x+2)

Answer

(3x-5)(x-2)

Answer

(x+5)(3x-2)

Question 5

Factor the polynomial

$$m^2-18m+81$$

Accepted Answer

$$\left(m-9\right)^2$$

Answer

$$\left(m+9\right)^2$$

Answer

$$\left(m+9\right)\left(m-9\right)$$

Answer

$$\left(m-1\right)\left(m-18\right)$$

Question 6

Factor the polynomial

$$9x^2-1$$

Accepted Answer

$$\left(3x+1\right)\left(3x-1\right)$$

Answer

$$\left(9x+1\right)\left(x-1\right)$$

Answer

$$\left(3x+1\right)^2$$

Answer

$$\left(3x-1\right)^2$$

Question 7

Convert the equation

f(x) = x²- 12x + 40

into vertex form

Accepted Answer

f(x) = (x - 6)²+ 4

Answer

f(x) = (x + 6)²- 4

Answer

f(x) = (x + 6)²+ 4

Answer

f(x) = (x - 6)²- 4

Question 8

Convert the quadratic function $$y=2x^2+8x-3$$ from standard form to vertex form.

Accepted Answer

$$y=2(x+2)^2-11$$

Answer

$$y=2(x+4)^2-11$$

Answer

$$y=2(x-4)^2-3$$

Answer

$$y=2(x-2)^2+11$$

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