$\pink{ \boxed{\boxed{\begin{array}{cc} \maltese \bf \: given \\ \\ \rm \: f(x) = - 2 {x}^{2} \\ \\ \rm \therefore \: f( - 3) = - 2 {( - 3)}^{2} \\ \rm = - 2 \times 9 \\ = - 18 \end{array}}}}$

8 0

3 years ago

Read 2 more answers

Please someone help I really need this answer please anyone please don’t guess please help thank you

yarga [219]

The quadrilaterals are enlarged.

8 0

3 years ago

Show work

adelina 88 [10]

Answer:

n = 5
m = 12
m= -14
y =30

Step-by-step explanation:

$n -8 =-3\\\\Collect\:like\:terms\\n = -3+8\\\\Simplify ; -3+8 = 5\\\\n =5$

$-2m=-24\\\\Divide\: both \:sides\:of\:the\:equation\:by\:-2\\\\\frac{-2m}{-2} = \frac{-24}{-2} \\\\Simplify ; -2m/-2 = m , -24/-2 = 12\\\\m =12$

$\frac{m}{2}=-7\\\\Cross\:Multiply\\\\m\times 1 = 2\times -7\\\\m = -14$

$\frac{2}{3}y=20\\ \\\frac{2}{3} y = \frac{20}{1} \\\\Cross\:Multiply\\\\2y\times 1 = 3\times 20\\\\2y = 20\\\\\mathrm{Divide\:both\:sides\:by\:}2\\\frac{2y}{2}=\frac{60}{2}\\\\Simplify\\y = 30$

3 0

4 years ago

Solving Quadratic Equations: Factoring

Radda [10]

Answer:

The factored form of the equation is (x+4)(x-6)=0.

Step-by-step explanation:

Because (x-4)(x+2)=x^2-4x+2x-8=16,

so that means x^2-2x-8=16,

move 16 to the other side,

you get x^2-2x-8-16=0,

simplify,

you get x^2-2x-24=0,

which satisfies (x+4)(x-6)=0 when factored out.

Because (x+4)(x-6)=x^2+4x-6x-24=x^2-2x-24=0.

3 0

3 years ago