Mid-Week Mini-Lesson

Week 7 · Math — Mixed Review

~15 minutes · between sessions

A quick five spanning the whole math block — keep those skills warm while we work on writing. Press Check my work to see how you did, then Save & email my results so your instructor sees your progress before the next lesson.

Student name

Q1Mixed review

Solve: 3x + 5 = 20

A3 B5 C15 D45

Answer: B

3x = 15 → x = 5.

Q2Mixed review

Solve: x² − 6x + 5 = 0

Ax = 1 and x = 5 Bx = −1 and x = −5 Cx = 2 and x = 3 Dx = 5 and x = 6

Answer: A

(x − 1)(x − 5) = 0 → x = 1 or 5.

Q3Mixed review

What is 20% of 150?

A15 B30 C45 D75

Answer: B

0.20 × 150 = 30.

Q4Mixed review

A right triangle has legs 5 and 12. What is the hypotenuse?

A13 B17 C15 D60

Answer: A

5-12-13 is a Pythagorean triple.

Q5Mixed review

If x + y = 10 and x − y = 4, what is x?

A5 B6 C7 D8

Answer: C

Add the equations: 2x = 14 → x = 7.

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