Algebra I Mid-Term

A club at school needs $500. Their money collection for the week is modeled with f(x)=10+20x. What is the meaning of the constant 10?

• It's the starting amount.
• It's how much money is left over.
• It's how much money still needs to be collected.
• It's the amount of money raised each week.

Tags

CCSS.HSF.LE.B.5

The bases of a trapezoid measure 14.5 and 22.5. What is the minimum height of the trapezoid if it is to have an area of no less than 259 square feet?
Area= (1/2)h(b₁+b₂)

• 3.5
• 7
• 14
• 18.5

A bakery has an order to make 100 cupcakes. The workers can frost and decorate 3 cupcakes per minute. Let x be the number of minutes the workers have been working. Write an inequality that says the number of cupcakes remaining to be decorated is less than 20.

• 3x-100<20
• 100+3x<20
• 100-3x>20
• 100-3x<20

Tags

CCSS.7.EE.B.4B

Solve
3y+(1/2)x+w=0
for y.

• y=(1/6)x+(1/3)w
• y=-(1/6)x-(1/3)w
• y=-(1/5)x+(2/3)w
• y=-(3/2)x+6w

Tags

CCSS.6.EE.C.9

√(2y³) + 2y√(8y²) - 5√(8y⁴)

• -3y√(2y)
• y√(2y) - 6y²√2
• -5y√(2y)
• -y√(2y) - 6y²√2

Let x be a nonzero rational number and y be an irrational number. Which of these expressions MUST be a rational number?

• y + 0
• x + x
• x + y
• y + y

Tags

CCSS.HSN.RN.B.3

y > -x+2
y ≤ 2x+5
In which quadrants of the coordinate plane is the shaded region of the system located?

• I, II, IV
• I, IV
• I, II, III, IV
• I, II, III

Tags

CCSS.HSA.REI.D.12

Given the recursive formula of a sequence below, find the explicit formula.
a₁ = 5
a_n = a_n-1 - 2

• a_n = n - 2
• a_n = -2n + 7
• a_n = 2n - 7
• a_n = -2n + 5

Tags

CCSS.HSF.BF.A.2

Which function has the same y-intercept as the graph?

• y = (12-6x) / 4
• 27 + 3y = 6x
• 6y + x = 18
• y + 3 = 6x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

A movie theater uses the function f(t) where t is the number of tickets sold for a movie to model the total amount of money collected for that movie. A reasonable domain would be...

• Positive Integers
• Positive Real Numbers
• Both Positive and Negative Integers
• Both Positive and Negative Real Numbers