Spring Exam Review 1

Systems Substitution

100

Solve using substitution. 

y = 4x + 11

–6x + 8y = 36

What is (–2, 3)?

200

Solve using substitution. 

y = x + 4

y = 3x

What is (2, 6)?

300

Solve using substitution. 

y = 5x + 5

y = 15x – 1

What is (0.6, 8)?

400

Solve using substitution. 

y = x – 7

2x + y = 8

What is (5, –2)?

500

Solve using substitution.

y = 2x + 7

y = 5x + 4

What is (1, 9)?

Systems Elimination

100

Solve using elimination.

x + 2y = 7

3x - 2y = -3 

What is (1, 3)?

200

Solve using elimination.

5x + 7y = 77

5x + 3y = 53

What is (7, 6)?

300

Solve using elimination.

3x + 6y = 6

2x – 3y = 4

What is (2, 0)?

400

Solve using elimination.

9x - 3y = 24

7x - 3y = 20

What is (2, –2)?

500

Solve using elimination.

3x + 5y = 10

x – 5y = –10

What is (0, 2)?

Multiplying Exponents

100

(3d^–4)(5d⁸)

What is 15d⁴?

200

n^–6n^–9

What is 1/n¹⁵?

300

p⁷q⁵p⁶

What is p¹³q⁵?

400

(7p⁴)(5p⁹)

What is 35p¹³?

500

2⁵*(2⁴)²

What is 2¹³ or 8192?

Dividing Exponents

100

x¹⁵ / x⁹

What is x⁶?

200

(x⁷y⁹z³) / (x⁴y⁷z⁸)

What is (x³y²⁾/(z⁵)?

300

( x^–4 / t^–1 )^–2

What is x⁸ / t² ?

400

4⁶ / 4⁸

What is 1/16?

500

(2/3)^–2

What is 9/4? 

Potpourri

100

(m^–5)^–3​​​​

What is m¹⁵?

200

Find two square roots of 0.0144. 

What are +0.12 and –0.12 ? 

300

(4^-1x³)^–2

What is 16/x⁶?

400

Find two square roots of 49/25. 

What are + 7/5 and –7/5 ?

500

(5²)²​​​​

What is 625 or 5⁴?