MATHEMATICS HIGH SCHOOL

In an isometric transformation, the preimage and image must not?A change size
B. rotate
C. preserve angle measure
D. reflect across the -axis

Answers

Answer 1
Answer: The best answer to the question you have given above would be letter A. In an isometric transformation, the preimage and image must not change size. You are free to rotate the image, preserve angle measure, and reflect it across the axis, but it should be the same size. 

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12. Given y-3 = (x + 1), convert it to standard form.​

Answers

Answer:

x - y = -4

Step-by-step explanation:

Standard Form: Ax + By = C

A is non-negative

Step 1: Define equation

y - 3 = (x + 1)

Step 2: Solve to Standard Form

  1. Add 3 to both sides: y = x + 4
  2. Subtract x on both sides: y - x = 4
  3. Factor out negative: -(x - y) = 4
  4. Divide by -1 on both sides: x - y = -4

-y + (x + 1) = -3 would be the answer in standard form.

4(x + 4) = 4x + 16
One Solution No solutions or infinite number of solutions

Answers

Answer:

Infinite Number of Solutions

Step-by-step explanation:

Since 4*x= 4x

and 4*4= 16

its 4x+16

which is 4x+16=4x+16

Since there are the same, and both equal each other, there are an infinite number of solutions.

Answer:

infinite number of solutions

Step-by-step explanation:

4(x + 4) = 4x + 16

Distribute on the left side.

4x + 16 = 4x + 16

Subtract 16 from both sides.

4x = 4x

Divide both sides by 4.

x = x

x = x is a true equation for every value of x.

Answer: infinite number of solutions

Simplify the following expression (6x2 + 8x - 3) - (3x2 - 6)

Answers

Answer:

3x^2 +8x +3

Step-by-step explanation:

(6x^2 + 8x - 3) - (3x^2 - 6)

Distribute the minus sign

(6x^2 + 8x - 3) - 3x^2 + 6

Combine like terms

3x^2 +8x +3

Make x the subject.
1) а — x =y
2) m = k – x
3) k - t2x = m​

Answers

Answer:

#1

{ \tt{a - x = y}} \n \n { \boxed{ \tt{x = a - y}}}

#2

{ \tt{m = k - x}} \n \n { \boxed{ \tt{x = k - m}}}

#3

{ \tt{k - {t}^(2)x = m }} \n { \tt{ {t}^(2) x = k - m}} \n \n { \boxed{ \tt{x = \frac{k - m}{ {t}^(2) } }}}

Step-by-step explanation:

1) a-x=y

a-a-x=y-a

-x=y-a

x= -(y-a)

2) m=k-x

-x=m-k

x= -(m-k)

Lines g and h are parallel and m 1 = 45°. What is m 8?

Question 7 options:

45°

65°

115°

135°
Save

Answers

Answer:

m<8=45\°

Step-by-step explanation:

we know that

If the lines g and h are parallel

then

m<8=m<1 -----> by alternate exterior angles

see the attached figure to better understand the problem

we have that

m<1=45\°

therefore

m<8=45\°
parallel means m1 = m2
so m2=45

What is (x +2) (x+2) expanded?​

Answers

(x+2)(x+2) when expanded is x^2+4x+4
x + 2 + x + 2 im guessing,,
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