Algebra 1 EOC Practice Part I

What is the domain of the function shown?

• -5≤x≤7
• -2≤x≤4
• -4≤x≤5
• -6≤y<8

What is the interval of increase and decrease for the function graphed?

• The function increases from -∞ to 5 and decrease from 5 to -∞
• The function increases from -∞ to 5 and decrease from 5 to ∞
• The function increases from -∞ to -4 and decrease from -4 to -∞
• The function increases from -∞ to -4 and decrease from -4 to ∞

The original value of a painting is $1400, and the value increases by 9% each year. Write an exponential growth function to model this situation.

• y=1400(1.09)^x
• y=1.09(1400)^x
• y=1400(.91)^x
• y=1.09^x

The population of Winnemucca, Nevada, can be modeled by P=6191(1.04)^t where t is the number of years since 1990. What percent did the population increase each year?

• 4%
• 1.04%
• I don't know
• 400%

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

Find the vertex of 
f(x) = -x² - 4x + 12

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

What is the solution to this system?
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

What are the factors of the expression?
x^2-12x+35

• (x-5)(x-7)
• (x+5)(x+7)
• (x-5)(x+7)
• (x+5)(x-7)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What are the x-intercepts of the equation?
y=x^2+11x+10

• 10, 11
• 10,1
• -10,-1
• 2,5

What is the product of the following expression?
4x(x^2+2x-3)

• 4x^3+8x^2-12x
• 4x^2-8x
• 4x^3+4x-12
• 0