Algebra 1 Math EOC Review

Which is a zero of the graph?

• 0

• -1

• 1.5

• -3

What is the explicit rule for the sequence:
11, 22, 44, 88...

• _gn = 2(11)^n-1

• _gn = 11x2

• _gn = 11(2)^n-1

• g_n = 11+(2)^n-1

If 5 times a number increased by 30 is 15, what is the number?

• -15

• -3

• 3

• 9

Create the explicit formula for the sequence:
2, 8, 14, ...
(Hint:  Write your formula and then simplify it.)

• a_n=2+6n

• a_n=-6+6n

• a_n=6n-4

• a_n=4-6n

Identify the common difference.
97, 86, 75, 64, ...

• 8

• 11

• -11

• -8

Members of the math club launch a model rocket from ground level with an initial velocity of 96 ft/sec.  This can be modeled with the function h(t) = -16t² + 96t.  When does the rocket hit the ground?

• 7 seconds

• 6 seconds

• 3 seconds

• 8 seconds

Members of the math club launch a model rocket from ground level with an initial velocity of 96 ft/sec.  This can be modeled with the function h(t) = -16t² + 96t.  When does the maximum height occur?

• 6 seconds

• 3 seconds

• 145 seconds

• 160 seconds

A ball is thrown vertically into the air.  Its height in feet after t seconds is given by the equation h(t) = –5t² + 20t, and is graphed below.  How high will the balloon be after 3 seconds?

• 20 ft

• 15 ft

• 5 ft

• 10 ft

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

What is the range of this function?

• all real numbers

• x > 0

• y > -2

• x < 6