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Laabri

Units 2 - 4 Review

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Last updated over 4 years ago
18 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

Formula Sheet

Formula Sheet

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Jay bought 2 shirts and 5 shorts and paid $20.00. Bea bought 4 shirts and 6 shorts (at the same prices) and paid $32.00. What is the cost of one shirt?

Enter your answer as a number rounded to two decimal places, no $ or spaces.

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Jay bought 2 shirts and 5 shorts and paid $20.00. Bea bought 4 shirts and 6 shorts (at the same prices) and paid $32.00. What is the cost of 8 shirts and 16 shorts?

Enter your answer as a number rounded to two decimal places, no $ or spaces.

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

During the last basketball game, Jake scored some 2-pointers and some 3-pointers. If he shot twice as many 2-pointers as 3-pointers, and his total score was 35, how many 2-pointers did he score?

Enter your answer as an integer.

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

Consider the function f(x) = \frac{3}{4}(x - 1)^{2} + 4.

Which of the following transformations were applied to the quadratic parent function in order to create f(x)? Check all that apply.

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

Consider the function f(x) = -\frac{5}{4}(x + 3)^{2} .

Which of the following transformations were applied to the quadratic parent function in order to create f(x)? Check all that apply.

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

The quadratic parent function is reflected over the x-axis, then shifted right 3, then stretched by 5.

What is the resulting function?

Use "y=..." format, no spaces. You do NOT have to FOIL.

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

The quadratic parent function is shifted down 6, then shifted left 1, then compressed by \frac{3}{4}.

What is the resulting function?

Use "y=..." format, no spaces. You do NOT have to FOIL.

Asemmisa {{asɛmmisaAhyɛnsode}}
8.
Asemmisa {{asɛmmisaAhyɛnsode}}
9.
Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Simplify the expression.

(3-4i) + (2+7i)

Write your answer as a complex number in the form a+bi, where a and b are real numbers. No spaces.

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

Simplify the expression.

(3-4i)(2+7i)

Write your answer as a complex number in the form a+bi, where a and b are real numbers. No spaces.

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

Simplify the expression.

(3-4i)(2+i) - 2i(5+i)

Write your answer as a complex number in the form a+bi, where a and b are real numbers. No spaces.

Asemmisa {{asɛmmisaAhyɛnsode}}
13.

What is the sum of the solutions to the equation?

x^{2} + 3x - 4 = 0

Enter your answer as an integer, no spaces.

Asemmisa {{asɛmmisaAhyɛnsode}}
14.

What is the sum of the solutions to the equation?

2x^{2} + 2x - 4 = 0

Enter your answer as an integer, no spaces.

Asemmisa {{asɛmmisaAhyɛnsode}}
15.

What is the sum of the solutions to the equation?

3x^{2} + 12x +9 = 0

Enter your answer as an integer, no spaces.

Asemmisa {{asɛmmisaAhyɛnsode}}
16.

What are the type of solutions to the following equation?

x^{2} + 5x + 4 = 0

Asemmisa {{asɛmmisaAhyɛnsode}}
17.

What are the type of solutions to the following equation?

x^{2} + 5x + 40 = 0

Asemmisa {{asɛmmisaAhyɛnsode}}
18.

What are the type of solutions to the following equation?

2x^{2} - 6x + 5 = 0