Quiz about Algebra I Regents Review

Question 1

What type of function best models the data?

Accepted Answer

exponential growth function

Answer

linear function with a negative rate of change

Answer

linear function with a positive rate of change

Answer

Exponential Decay function

Question 2

Is the relation a function?
(1,2), (3,4), (5,1), (8,1)

Accepted Answer

Yes

Answer

No

Question 3

What are the x- intercepts?

Accepted Answer

x= 0 and x= 4

Answer

x= 0 and x= -4

Answer

y= 0

Answer

x= 2

Question 4

Which equation is NOT a linear equation?

Accepted Answer

y = x2

Answer

y = 2x - 3

Answer

y = 8

Answer

y = x

Question 5

Which ordered pair is a solution of the system of equations? (solve by substitution)
y = 3x - 3
y = 5x - 7

Accepted Answer

(2,3)

Answer

(0,1)

Answer

(1,2)

Answer

(2,7)

Question 6

Which ordered pair is the solution to the following system of equations?
2x - y = 13
3x + y = 2

Accepted Answer

(3, -7)

Answer

(-19, -3)

Answer

(5, -3)

Answer

(9, 5)

Question 7

What is the solution for the system provided?

Accepted Answer

No solution

Answer

Infinitely many solutions

Answer

One solution

Answer

(0,0)

Question 8

What is the equation for this line?

Accepted Answer

y = x + 2

Answer

y = x - 2

Answer

y = 2x

Answer

y = -x + 2

Question 9

How many solutions does this graph have?

Accepted Answer

two

Answer

one

Answer

no solutions

Answer

cannot be determined

Question 10

What is the equation for axis of symmetry?

Accepted Answer

x=3

Answer

y=3

Answer

x=5

Answer

x=1

Question 11

Which answer choice describes y = -3x² +7x - 2 accurately?

Accepted Answer

opens down with a maximum

Answer

opens up with a maximum

Answer

opens up with a minimum

Answer

opens down with a minimum

Question 12

Does
y = -4x²
have a maximum or minimum value?

Accepted Answer

maximum

Answer

minimum

Question 13

What is the y-intercept of the equation
y = x²+8

Accepted Answer

(0,8)

Answer

(0,3)

Answer

(3,0)

Answer

Doesn't have one

Question 14

The graph below shows h, the height in meters of a model rocket, versus t, the time in seconds after the rocket is launched. From the graph, what conclusion can be made about the flight of the rocket?

Accepted Answer

The rocket reached its maximum height after 1.5 seconds.

Answer

The height of the rocket was 12 meters a 3 seconds.

Answer

The height of the rocket was 0
meters when it was launched.

Answer

The height of the rocket was less
than 16 meters after 2 seconds.

Question 15

Question 15.

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 16

What are the coordinates of the vertex for the equation f(x) = -4(x + 7)² - 12

Accepted Answer

(-7, -12)

Answer

(7, -12)

Answer

(-7, 12)

Answer

(-4, -12)

Question 17

f(x) = x². g(x) = f(x - 4) + 2. Name the translation that takes f(x) to g(x).

Accepted Answer

Four units right, two units up

Answer

Four units up, two units right

Answer

Two units left, four units down

Answer

Four units left, two units up

Question 18

If A = 3x² - 6x and B = 12x- 6x², what is B - A?

Accepted Answer

-9x² + 18x

Answer

9x2 - 18x

Answer

-3x2 + 6x

Answer

-3x2

Question 19

What is another word for zeros?

Accepted Answer

roots

Answer

y-intercepts

Answer

vertex

Answer

axis of symmetry

Question 20

Ashley had a summer lemonade stand where she sold small cups of lemonade for $1.25 and Large cups for $2.50. If Ashley sold a total of 155 cups for $265, which system could be used to determine the number of small (x) and large (y) cups she sold?

Accepted Answer

x + y = 155
1.25x+2.5y=265

Answer

x + y = 265
1.25x+2.5y=155

Answer

x + y = 155
2.5x+1.25y=265

Answer

x + y = 265
2.5x+1.25y=155

Question 21

Joe Mauer hits a fly ball. You can track the height of the ball using the equation: h(t) = -16t² + 140t + 2
What was the starting
height of the ball?

Accepted Answer

2 feet

Answer

-16 feet

Answer

140 feet

Answer

0 feet

Question 22

Milton has his money invested in a stock portfolio. The value, v(x), of his portfolio can be modeled with the function v(x) = 30,000(0.78)^x, where x is the number of years since he made his investment. Which statement describes the rate of change of the value of his portfolio?

Accepted Answer

It decreases 22% per year.

Answer

It decreases 78% per year.

Answer

It increases 78% per year.

Answer

It increases 22% per year.

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