− x + 18 > x + 16 -x+18>x+16 − x + 1 8 > x + 1 6 Řešte v R nerovnici

K = ( − ∞ ; 1 ) K\ =\left(-\infty;1\right) K = ( − ∞ ; 1 )

K = ( − 8 ; 1 ) K\ =\left(-8;1\right) K = ( − 8 ; 1 )

K = ( − ∞ ; − 2 ) K\ =\left(-\infty;-2\right) K = ( − ∞ ; − 2 )

Řešte nerovnici v R 3 x − 2 < x + 2 − ( 2 x + 3 ) 3x-2<x+2-\left(2x+3\right) 3 x − 2 < x + 2 − ( 2 x + 3 )

K = ( − ∞ ; 1 4 ) K=\left(-\infty;\frac{1}{4}\right) K = ( − ∞ ; 4 1 )

K = ( 0 ; + ∞ ) K=\left(0;+\infty\right) K = ( 0 ; + ∞ )

K = ( − ∞ ; 1 ) K\ =\left(-\infty;1\right) K = ( − ∞ ; 1 )

K = ( − 1 ; + ∞ ) K=\left(-1;+\infty\right) K = ( − 1 ; + ∞ )

Lineární rovnice a nerovnice

Authored by Zdeňka Hlásenská

Mathematics

9th - 10th Grade

Used 7+ times

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MULTIPLE CHOICE QUESTION

3 mins • 1 pt

$\frac{x+5}{3}-\frac{x}{2}=\frac{x-2}{3}-\frac{x-3}{2}$

K = $\phi$

K = {2}

K = {3}

K = {1}

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

$Vyjádři\ ze\ vzorce\ Q\ =\ m\cdot c\cdot\left(t_2-t_1\right)\ veličinu\ t_1$

$t_1=t_2-m\cdot c\cdot Q$

$t_1=\frac{t_2}{Q}-m\cdot c$

$t_1=\frac{Q}{m}\cdot c-t_2$

$t_1=t_2-\frac{Q}{m\cdot c}$

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

$-x+18>x+16$
Řešte v R nerovnici

K = {0}

$K\ =\left(-8;1\right)$

$K\ =\left(-\infty;-2\right)$

$K\ =\left(-\infty;1\right)$

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Řešte nerovnici v R $3x-2<x+2-\left(2x+3\right)$

$K=\left(0;+\infty\right)$

$K=\left(-\infty;\frac{1}{4}\right)$

$K\ =\left(-\infty;1\right)$

$K=\left(-1;+\infty\right)$

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Smícháním 6 litrů 50procentní kyseliny octové a 3 litrů 8procentní kyseliny octové vznikl nový roztok této kyseliny. Určete jeho koncentraci.

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Lineární rovnice a nerovnice

x+53−x2=x−23−x−32\frac{x+5}{3}-\frac{x}{2}=\frac{x-2}{3}-\frac{x-3}{2}3x+5​−2x​=3x−2​−2x−3​

Vyjaˊdrˇi ze vzorce Q = m⋅c⋅(t2−t1) velicˇinu t1Vyjádři\ ze\ vzorce\ Q\ =\ m\cdot c\cdot\left(t_2-t_1\right)\ veličinu\ t_1Vyjaˊdrˇi ze vzorce Q = m⋅c⋅(t2​−t1​) velicˇinu t1​

−x+18>x+16-x+18>x+16−x+18>x+16 Řešte v R nerovnici

Řešte nerovnici v R 3x−2<x+2−(2x+3)3x-2<x+2-\left(2x+3\right)3x−2<x+2−(2x+3)

Smícháním 6 litrů 50procentní kyseliny octové a 3 litrů 8procentní kyseliny octové vznikl nový roztok této kyseliny. Určete jeho koncentraci.

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

$\frac{x+5}{3}-\frac{x}{2}=\frac{x-2}{3}-\frac{x-3}{2}$

$Vyjádři\ ze\ vzorce\ Q\ =\ m\cdot c\cdot\left(t_2-t_1\right)\ veličinu\ t_1$

$-x+18>x+16$
Řešte v R nerovnici

Řešte nerovnici v R $3x-2<x+2-\left(2x+3\right)$