Worked solution for TMUA-P1-MM5-012 is revealed on this page behind the solution details.

Why isn't the answer to TMUA-P1-MM5-012 shown upfront?

The options are lettered without marking the correct one so you attempt TMUA-P1-MM5-012 first — TMUA questions reward spotting the trap before you check the worked solution below.

Do I need a calculator for TMUA-P1-MM5-012?

No — calculators are banned in the TMUA. TMUA-P1-MM5-012 is set for a no-calculator target of about 150 seconds; the worked solution shows the fastest by-hand route.

Which TMUA specification point is TMUA-P1-MM5-012?

TMUA-P1-MM5-012 is Paper P1 · Exponentials and logarithms (specification code MM5), level 1. Drill more of the same topic from this page.

TMUA-P1-MM5-012 — Paper P1 · Exponentials and logarithms · Level 1

P1MM5Level 1~150s target

Spec: MM5 · No calculator · ~150s

Evaluate

\log_2 8

Options

Letters only — the answer key is hidden. Work it out, then check the solution below.

Hint (check trope)

No written hint yet — check the trope: log-evaluation, base-two-logs. Name the trap first, work the stem by hand, then open the solution below.

Show solution

2^3 = 8

, so

\log_2 8 = 3

and the correct is B. Trap:

8

confuses the argument with the logarithm.

Keep practising

Same topic · same level
P1MM5Level 1
TMUA-P1-MM5-001
The curve y = 3^x crosses the y -axis at (0, k). What is the value of k?
Exponentials and logarithms
Open TMUA-P1-MM5-001 →
Same trap: log-evaluation
P1MM5Level 1
TMUA-P1-MM5-002
Evaluate _3 81.
Exponentials and logarithms
Open TMUA-P1-MM5-002 →
Step up a level
P1MM5Level 2
TMUA-P1-MM5-004
Solve 5^2x = 125.
Exponentials and logarithms
Open TMUA-P1-MM5-004 →

Browse more

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Keep practising

Same topic · same level

P1MM5Level 1

TMUA-P1-MM5-001

The curve y = 3^x crosses the y -axis at (0, k). What is the value of k?

Exponentials and logarithms

Open TMUA-P1-MM5-001 →

Same trap: log-evaluation

P1MM5Level 1

TMUA-P1-MM5-002

Evaluate _3 81.

Exponentials and logarithms

Open TMUA-P1-MM5-002 →

Step up a level

P1MM5Level 2

TMUA-P1-MM5-004

Solve 5^2x = 125.

Exponentials and logarithms

Open TMUA-P1-MM5-004 →

TMUA-P1-MM5-012 — Paper P1 · Exponentials and logarithms · Level 1

Options

Keep practising

Master Exponentials and logarithms

TMUA-P1-MM5-012 — Paper P1 · Exponentials and logarithms · Level 1

Options

Keep practising

Master Exponentials and logarithms