Algebra Unit Test

What is the value of x when y=2
y=4x-2(3x+3)

• x=4

• x=-4

• x=1/4

• x=-1/4

4(x+1/4)=20x-8(2x+3)

• Infinite solutions

• No solution

• x=1

• x=-24

Jacob Deleon has $800 to buy a diamond ring. The diamond insert itself costs $613. Any extra stones cost $37 each. Which inequality represents the number of stones he can buy?

• 800≤613+37x

• 800≥613+37x

• 800≥613-37x

• 800≤613-37x

The expression 99x+900 represents the total cost for a boat rental. When Vampire Bonita Catfish rents a boat for 3 hours, the total cost is $1197. What does the coefficient 99 represent?

• number of hours

• cost per hour

• upfront fee

• total cost

MATCHING TIME!

• x>-2

• x≥-2

• x<-2

• x≤-2

Which shows the equation 1/4(c-d)=e solved for c correctly?

• c=4(e+d)

• c=4e-d

• c=4e+d

• c=4(e-d)

Which equation has infinite solutions?

• 5x+1=4x+1

• 3x+9=3x-9

• 4(x+3)=2(2x+6)

• 7x+2x-4x=-(3+2)x

What expression represents the sequence: 8, 6, 4, 2...

• 2n+8

• -2n+10

• -2n+8

• 2n

The temperature in my heart is -10 degrees. The temperature begins to drop at a rate of 3 degrees per hour. Which expression matches this situation?

• -10t+3

• 3t-10

• -3t-10

• 3t+10

Combine like terms:

5x² - 2x + 4 + 3x + 2x² + 8

• 7x² + x + 12

• 7x⁴ + 5x + 12

• 3x² + 7x + 10

• 20x⁶