staar review again

Solve the equation:
7x - 4 = 3 + 8x

• x = 7
• x = -7
• x = 2/7
• x = 11

Select the situation that could be modeled by: 12 + 5x = 18+3x

• Derek charges a base fee of $12 to walk a dog plus $5 per hour. Darla charges a base fee of $18 plus $3 an hour to walk a dog. After how many hours would they make the same amount of money?
• Andy buys 12 sodas for $5 each. Alex buys 18 sodas for $3 each. If they each spent the same amount, how much did they spend?
• Brian charges $12 for a hat and $5 per shirt. Blake buys 3 hats and 18 shirts. How many hats and shirts must they sell to make the same amount of money?

When you dilate, you ______ x and y by a number.

• Multiply
• Add
• Subtract
• Divide

If your scale factor is greater than 1, your new shape will be ______.

• Bigger
• Smaller
• The same size
• Rotated

Which rule would dilate shows a scale factor of 4?

• (x, y) → (y, x)
• (x, y) → (x + 4, y + 4)
• (x, y) → (x, -y)
• (x, y) → (4x, 4y)

Solve for x.

• 71
• -3
• 35
• -19

Is √2 Irrational?

• Yes
• No

Which set is in descending order?

• 15%  .45  9/10
• .45  15%  9/10
• 9/10  15%  .45
• 9/10  .45  15%

Is this graph a function or not a function? 

• Function
• Not a Function

Find the slope of the line that passes through
(10, 1) and (5, 2)

• 1/5
• -1/5
• 5
• -5